Home / 22,905.68-34,380.70-11,067.78

Finding the Fourth Proportional to 22,905.68, 34,380.70 and 11,067.78

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Solution

The fourth proportional to 22,905.68, 34,380.70 and 11,067.78 is: 16,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.68 : 34,380.70 = 11,067.78 : x
  2. Step 2: Convert to fraction form
    22,905.68/34,380.70 = 11,067.78/x
  3. Step 3: Cross multiply
    22,905.68x = 34,380.70 × 11,067.78
  4. Step 4: Simplify right side
    22,905.68x = 380,518,023.85
  5. Step 5: Solve for x
    x = 380,518,023.85/22,905.68
  6. Step 6: Final answer
    x = 16,612.39

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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.