Home / 23,204.29-32,023.38-13,128.90

Finding the Fourth Proportional to 23,204.29, 32,023.38 and 13,128.90

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Solution

The fourth proportional to 23,204.29, 32,023.38 and 13,128.90 is: 18,118.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,204.29 : 32,023.38 = 13,128.90 : x
  2. Step 2: Convert to fraction form
    23,204.29/32,023.38 = 13,128.90/x
  3. Step 3: Cross multiply
    23,204.29x = 32,023.38 × 13,128.90
  4. Step 4: Simplify right side
    23,204.29x = 420,431,753.68
  5. Step 5: Solve for x
    x = 420,431,753.68/23,204.29
  6. Step 6: Final answer
    x = 18,118.71

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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.