If $j$ and $k$ are inversely proportional and $j = 16$ when $k = 21$, what is the value of $j$ when $k = 14$?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
If $j$ and $k$ are inversely proportional and $j = 16$ when $k = 21$, what is the value of $j$ when $k = 14$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
24
If $j$ and $k$ are inversely proportional and $j = 16$ when $k = 21$, what is the value of $j$ when $k = 14$?
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