Home / 25,855.74-38,788.17-13,372.38

Finding the Fourth Proportional to 25,855.74, 38,788.17 and 13,372.38

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Solution

The fourth proportional to 25,855.74, 38,788.17 and 13,372.38 is: 20,060.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,855.74 : 38,788.17 = 13,372.38 : x
  2. Step 2: Convert to fraction form
    25,855.74/38,788.17 = 13,372.38/x
  3. Step 3: Cross multiply
    25,855.74x = 38,788.17 × 13,372.38
  4. Step 4: Simplify right side
    25,855.74x = 518,690,148.74
  5. Step 5: Solve for x
    x = 518,690,148.74/25,855.74
  6. Step 6: Final answer
    x = 20,060.93

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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.