Home / 25,178.13-34,743.13-14,565.78

Finding the Fourth Proportional to 25,178.13, 34,743.13 and 14,565.78

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Solution

The fourth proportional to 25,178.13, 34,743.13 and 14,565.78 is: 20,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,178.13 : 34,743.13 = 14,565.78 : x
  2. Step 2: Convert to fraction form
    25,178.13/34,743.13 = 14,565.78/x
  3. Step 3: Cross multiply
    25,178.13x = 34,743.13 × 14,565.78
  4. Step 4: Simplify right side
    25,178.13x = 506,060,751.68
  5. Step 5: Solve for x
    x = 506,060,751.68/25,178.13
  6. Step 6: Final answer
    x = 20,099.22

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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.