Home / 38,555.52-57,816.96-12,253.20

Finding the Fourth Proportional to 38,555.52, 57,816.96 and 12,253.20

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Solution

The fourth proportional to 38,555.52, 57,816.96 and 12,253.20 is: 18,374.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,555.52 : 57,816.96 = 12,253.20 : x
  2. Step 2: Convert to fraction form
    38,555.52/57,816.96 = 12,253.20/x
  3. Step 3: Cross multiply
    38,555.52x = 57,816.96 × 12,253.20
  4. Step 4: Simplify right side
    38,555.52x = 708,442,774.27
  5. Step 5: Solve for x
    x = 708,442,774.27/38,555.52
  6. Step 6: Final answer
    x = 18,374.61

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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.