Home / 22,920.12-34,380.66-7,337.70

Finding the Fourth Proportional to 22,920.12, 34,380.66 and 7,337.70

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Solution

The fourth proportional to 22,920.12, 34,380.66 and 7,337.70 is: 11,006.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,920.12 : 34,380.66 = 7,337.70 : x
  2. Step 2: Convert to fraction form
    22,920.12/34,380.66 = 7,337.70/x
  3. Step 3: Cross multiply
    22,920.12x = 34,380.66 × 7,337.70
  4. Step 4: Simplify right side
    22,920.12x = 252,274,968.88
  5. Step 5: Solve for x
    x = 252,274,968.88/22,920.12
  6. Step 6: Final answer
    x = 11,006.70

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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.