Finding the Fourth Proportional to 17,170.72, 23,694 and 9,718.72
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Solution
The fourth proportional to 17,170.72, 23,694 and 9,718.72 is: 13,410.93
Step by Step Solution
- Step 1: Write the proportion equation
17,170.72 : 23,694 = 9,718.72 : x - Step 2: Convert to fraction form
17,170.72/23,694 = 9,718.72/x - Step 3: Cross multiply
17,170.72x = 23,694 × 9,718.72 - Step 4: Simplify right side
17,170.72x = 230,275,351.68 - Step 5: Solve for x
x = 230,275,351.68/17,170.72 - Step 6: Final answer
x = 13,410.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.