Home / 22,821.60-34,229.52-7,240.80

Finding the Fourth Proportional to 22,821.60, 34,229.52 and 7,240.80

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Solution

The fourth proportional to 22,821.60, 34,229.52 and 7,240.80 is: 10,860.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,821.60 : 34,229.52 = 7,240.80 : x
  2. Step 2: Convert to fraction form
    22,821.60/34,229.52 = 7,240.80/x
  3. Step 3: Cross multiply
    22,821.60x = 34,229.52 × 7,240.80
  4. Step 4: Simplify right side
    22,821.60x = 247,849,108.42
  5. Step 5: Solve for x
    x = 247,849,108.42/22,821.60
  6. Step 6: Final answer
    x = 10,860.29

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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.