Home / 25,765.20-38,589.12-15,355.44

Finding the Fourth Proportional to 25,765.20, 38,589.12 and 15,355.44

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Solution

The fourth proportional to 25,765.20, 38,589.12 and 15,355.44 is: 22,998.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,765.20 : 38,589.12 = 15,355.44 : x
  2. Step 2: Convert to fraction form
    25,765.20/38,589.12 = 15,355.44/x
  3. Step 3: Cross multiply
    25,765.20x = 38,589.12 × 15,355.44
  4. Step 4: Simplify right side
    25,765.20x = 592,552,916.81
  5. Step 5: Solve for x
    x = 592,552,916.81/25,765.20
  6. Step 6: Final answer
    x = 22,998.19

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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.