Home / 25,909.38-38,861.83-15,775.13

Finding the Fourth Proportional to 25,909.38, 38,861.83 and 15,775.13

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Solution

The fourth proportional to 25,909.38, 38,861.83 and 15,775.13 is: 23,661.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,909.38 : 38,861.83 = 15,775.13 : x
  2. Step 2: Convert to fraction form
    25,909.38/38,861.83 = 15,775.13/x
  3. Step 3: Cross multiply
    25,909.38x = 38,861.83 × 15,775.13
  4. Step 4: Simplify right side
    25,909.38x = 613,050,318.56
  5. Step 5: Solve for x
    x = 613,050,318.56/25,909.38
  6. Step 6: Final answer
    x = 23,661.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.