Home / 38,196.20-57,245.70-18,432.20

Finding the Fourth Proportional to 38,196.20, 57,245.70 and 18,432.20

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Solution

The fourth proportional to 38,196.20, 57,245.70 and 18,432.20 is: 27,624.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,196.20 : 57,245.70 = 18,432.20 : x
  2. Step 2: Convert to fraction form
    38,196.20/57,245.70 = 18,432.20/x
  3. Step 3: Cross multiply
    38,196.20x = 57,245.70 × 18,432.20
  4. Step 4: Simplify right side
    38,196.20x = 1,055,164,191.54
  5. Step 5: Solve for x
    x = 1,055,164,191.54/38,196.20
  6. Step 6: Final answer
    x = 27,624.85

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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.