Home / 25,427.20-38,155.20-9,845.92

Finding the Fourth Proportional to 25,427.20, 38,155.20 and 9,845.92

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Solution

The fourth proportional to 25,427.20, 38,155.20 and 9,845.92 is: 14,774.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,427.20 : 38,155.20 = 9,845.92 : x
  2. Step 2: Convert to fraction form
    25,427.20/38,155.20 = 9,845.92/x
  3. Step 3: Cross multiply
    25,427.20x = 38,155.20 × 9,845.92
  4. Step 4: Simplify right side
    25,427.20x = 375,673,046.78
  5. Step 5: Solve for x
    x = 375,673,046.78/25,427.20
  6. Step 6: Final answer
    x = 14,774.46

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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.