Home / 43,182.90-64,793.16-15,123.11

Finding the Fourth Proportional to 43,182.90, 64,793.16 and 15,123.11

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Solution

The fourth proportional to 43,182.90, 64,793.16 and 15,123.11 is: 22,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,182.90 : 64,793.16 = 15,123.11 : x
  2. Step 2: Convert to fraction form
    43,182.90/64,793.16 = 15,123.11/x
  3. Step 3: Cross multiply
    43,182.90x = 64,793.16 × 15,123.11
  4. Step 4: Simplify right side
    43,182.90x = 979,873,761.96
  5. Step 5: Solve for x
    x = 979,873,761.96/43,182.90
  6. Step 6: Final answer
    x = 22,691.24

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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.