Home / 22,195.20-30,608.64-16,543.92

Finding the Fourth Proportional to 22,195.20, 30,608.64 and 16,543.92

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Solution

The fourth proportional to 22,195.20, 30,608.64 and 16,543.92 is: 22,815.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,195.20 : 30,608.64 = 16,543.92 : x
  2. Step 2: Convert to fraction form
    22,195.20/30,608.64 = 16,543.92/x
  3. Step 3: Cross multiply
    22,195.20x = 30,608.64 × 16,543.92
  4. Step 4: Simplify right side
    22,195.20x = 506,386,891.47
  5. Step 5: Solve for x
    x = 506,386,891.47/22,195.20
  6. Step 6: Final answer
    x = 22,815.15

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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.