Home / 38,249.60-57,357.12-13,626.24

Finding the Fourth Proportional to 38,249.60, 57,357.12 and 13,626.24

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Solution

The fourth proportional to 38,249.60, 57,357.12 and 13,626.24 is: 20,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,249.60 : 57,357.12 = 13,626.24 : x
  2. Step 2: Convert to fraction form
    38,249.60/57,357.12 = 13,626.24/x
  3. Step 3: Cross multiply
    38,249.60x = 57,357.12 × 13,626.24
  4. Step 4: Simplify right side
    38,249.60x = 781,561,882.83
  5. Step 5: Solve for x
    x = 781,561,882.83/38,249.60
  6. Step 6: Final answer
    x = 20,433.20

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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.