Home / 25,188.11-34,760.76-14,575.69

Finding the Fourth Proportional to 25,188.11, 34,760.76 and 14,575.69

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Solution

The fourth proportional to 25,188.11, 34,760.76 and 14,575.69 is: 20,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.11 : 34,760.76 = 14,575.69 : x
  2. Step 2: Convert to fraction form
    25,188.11/34,760.76 = 14,575.69/x
  3. Step 3: Cross multiply
    25,188.11x = 34,760.76 × 14,575.69
  4. Step 4: Simplify right side
    25,188.11x = 506,662,061.92
  5. Step 5: Solve for x
    x = 506,662,061.92/25,188.11
  6. Step 6: Final answer
    x = 20,115.13

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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.