Home / 25,123.98-34,663.98-16,176.66

Finding the Fourth Proportional to 25,123.98, 34,663.98 and 16,176.66

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Solution

The fourth proportional to 25,123.98, 34,663.98 and 16,176.66 is: 22,319.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,123.98 : 34,663.98 = 16,176.66 : x
  2. Step 2: Convert to fraction form
    25,123.98/34,663.98 = 16,176.66/x
  3. Step 3: Cross multiply
    25,123.98x = 34,663.98 × 16,176.66
  4. Step 4: Simplify right side
    25,123.98x = 560,747,418.71
  5. Step 5: Solve for x
    x = 560,747,418.71/25,123.98
  6. Step 6: Final answer
    x = 22,319.21

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1.5x scale

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.