Home / 38,371.14-57,540.24-13,403.70

Finding the Fourth Proportional to 38,371.14, 57,540.24 and 13,403.70

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Solution

The fourth proportional to 38,371.14, 57,540.24 and 13,403.70 is: 20,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,371.14 : 57,540.24 = 13,403.70 : x
  2. Step 2: Convert to fraction form
    38,371.14/57,540.24 = 13,403.70/x
  3. Step 3: Cross multiply
    38,371.14x = 57,540.24 × 13,403.70
  4. Step 4: Simplify right side
    38,371.14x = 771,252,114.89
  5. Step 5: Solve for x
    x = 771,252,114.89/38,371.14
  6. Step 6: Final answer
    x = 20,099.80

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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.