Home / 20,162.73-30,244.17-6,122.88

Finding the Fourth Proportional to 20,162.73, 30,244.17 and 6,122.88

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Solution

The fourth proportional to 20,162.73, 30,244.17 and 6,122.88 is: 9,184.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.73 : 30,244.17 = 6,122.88 : x
  2. Step 2: Convert to fraction form
    20,162.73/30,244.17 = 6,122.88/x
  3. Step 3: Cross multiply
    20,162.73x = 30,244.17 × 6,122.88
  4. Step 4: Simplify right side
    20,162.73x = 185,181,423.61
  5. Step 5: Solve for x
    x = 185,181,423.61/20,162.73
  6. Step 6: Final answer
    x = 9,184.34

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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.