Home / 16,873.20-23,115.90-16,242.18

Finding the Fourth Proportional to 16,873.20, 23,115.90 and 16,242.18

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Solution

The fourth proportional to 16,873.20, 23,115.90 and 16,242.18 is: 22,251.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,873.20 : 23,115.90 = 16,242.18 : x
  2. Step 2: Convert to fraction form
    16,873.20/23,115.90 = 16,242.18/x
  3. Step 3: Cross multiply
    16,873.20x = 23,115.90 × 16,242.18
  4. Step 4: Simplify right side
    16,873.20x = 375,452,608.66
  5. Step 5: Solve for x
    x = 375,452,608.66/16,873.20
  6. Step 6: Final answer
    x = 22,251.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.