Home / 18,575.20-27,964.15-16,942.24

Finding the Fourth Proportional to 18,575.20, 27,964.15 and 16,942.24

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Solution

The fourth proportional to 18,575.20, 27,964.15 and 16,942.24 is: 25,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,575.20 : 27,964.15 = 16,942.24 : x
  2. Step 2: Convert to fraction form
    18,575.20/27,964.15 = 16,942.24/x
  3. Step 3: Cross multiply
    18,575.20x = 27,964.15 × 16,942.24
  4. Step 4: Simplify right side
    18,575.20x = 473,775,340.70
  5. Step 5: Solve for x
    x = 473,775,340.70/18,575.20
  6. Step 6: Final answer
    x = 25,505.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.