Question

Find the fourth term of the proportion whose first three terms are 21 , 27 and 14 respectively.

Answer 1

Answer:

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Step-by-step explanation:

Let the fourth term be 'x'.

So, the numbers 21,27,14,x are in proportion is 21:27::14:x

Here, a=21, b=27, c=14 and d=x.

Therefore, the fourth proportion is 18.