Home / 38,425.20-57,632.94-12,132.60

Finding the Fourth Proportional to 38,425.20, 57,632.94 and 12,132.60

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Solution

The fourth proportional to 38,425.20, 57,632.94 and 12,132.60 is: 18,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,425.20 : 57,632.94 = 12,132.60 : x
  2. Step 2: Convert to fraction form
    38,425.20/57,632.94 = 12,132.60/x
  3. Step 3: Cross multiply
    38,425.20x = 57,632.94 × 12,132.60
  4. Step 4: Simplify right side
    38,425.20x = 699,237,407.84
  5. Step 5: Solve for x
    x = 699,237,407.84/38,425.20
  6. Step 6: Final answer
    x = 18,197.37

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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.