Home / 22,067.20-30,451.86-11,995.42

Finding the Fourth Proportional to 22,067.20, 30,451.86 and 11,995.42

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Solution

The fourth proportional to 22,067.20, 30,451.86 and 11,995.42 is: 16,553.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,067.20 : 30,451.86 = 11,995.42 : x
  2. Step 2: Convert to fraction form
    22,067.20/30,451.86 = 11,995.42/x
  3. Step 3: Cross multiply
    22,067.20x = 30,451.86 × 11,995.42
  4. Step 4: Simplify right side
    22,067.20x = 365,282,850.48
  5. Step 5: Solve for x
    x = 365,282,850.48/22,067.20
  6. Step 6: Final answer
    x = 16,553.20

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.