Home / 25,180.35-37,765.12-10,385.43

Finding the Fourth Proportional to 25,180.35, 37,765.12 and 10,385.43

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Solution

The fourth proportional to 25,180.35, 37,765.12 and 10,385.43 is: 15,575.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,180.35 : 37,765.12 = 10,385.43 : x
  2. Step 2: Convert to fraction form
    25,180.35/37,765.12 = 10,385.43/x
  3. Step 3: Cross multiply
    25,180.35x = 37,765.12 × 10,385.43
  4. Step 4: Simplify right side
    25,180.35x = 392,207,010.20
  5. Step 5: Solve for x
    x = 392,207,010.20/25,180.35
  6. Step 6: Final answer
    x = 15,575.92

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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.