Home / 38,255.60-57,366.12-13,632.24

Finding the Fourth Proportional to 38,255.60, 57,366.12 and 13,632.24

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Solution

The fourth proportional to 38,255.60, 57,366.12 and 13,632.24 is: 20,442.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,255.60 : 57,366.12 = 13,632.24 : x
  2. Step 2: Convert to fraction form
    38,255.60/57,366.12 = 13,632.24/x
  3. Step 3: Cross multiply
    38,255.60x = 57,366.12 × 13,632.24
  4. Step 4: Simplify right side
    38,255.60x = 782,028,715.71
  5. Step 5: Solve for x
    x = 782,028,715.71/38,255.60
  6. Step 6: Final answer
    x = 20,442.20

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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.