Home / 22,490.90-33,730.45-6,691.68

Finding the Fourth Proportional to 22,490.90, 33,730.45 and 6,691.68

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Solution

The fourth proportional to 22,490.90, 33,730.45 and 6,691.68 is: 10,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,490.90 : 33,730.45 = 6,691.68 : x
  2. Step 2: Convert to fraction form
    22,490.90/33,730.45 = 6,691.68/x
  3. Step 3: Cross multiply
    22,490.90x = 33,730.45 × 6,691.68
  4. Step 4: Simplify right side
    22,490.90x = 225,713,377.66
  5. Step 5: Solve for x
    x = 225,713,377.66/22,490.90
  6. Step 6: Final answer
    x = 10,035.76

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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.