Home / 22,132.70-33,198.92-12,766.65

Finding the Fourth Proportional to 22,132.70, 33,198.92 and 12,766.65

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Solution

The fourth proportional to 22,132.70, 33,198.92 and 12,766.65 is: 19,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,132.70 : 33,198.92 = 12,766.65 : x
  2. Step 2: Convert to fraction form
    22,132.70/33,198.92 = 12,766.65/x
  3. Step 3: Cross multiply
    22,132.70x = 33,198.92 × 12,766.65
  4. Step 4: Simplify right side
    22,132.70x = 423,838,992.02
  5. Step 5: Solve for x
    x = 423,838,992.02/22,132.70
  6. Step 6: Final answer
    x = 19,149.90

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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.