Home / 38,482.27-57,729.18-13,517.92

Finding the Fourth Proportional to 38,482.27, 57,729.18 and 13,517.92

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Solution

The fourth proportional to 38,482.27, 57,729.18 and 13,517.92 is: 20,278.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,482.27 : 57,729.18 = 13,517.92 : x
  2. Step 2: Convert to fraction form
    38,482.27/57,729.18 = 13,517.92/x
  3. Step 3: Cross multiply
    38,482.27x = 57,729.18 × 13,517.92
  4. Step 4: Simplify right side
    38,482.27x = 780,378,436.91
  5. Step 5: Solve for x
    x = 780,378,436.91/38,482.27
  6. Step 6: Final answer
    x = 20,278.91

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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.