Home / 26,874.01-40,238.11-18,543.97

Finding the Fourth Proportional to 26,874.01, 40,238.11 and 18,543.97

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Solution

The fourth proportional to 26,874.01, 40,238.11 and 18,543.97 is: 27,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,874.01 : 40,238.11 = 18,543.97 : x
  2. Step 2: Convert to fraction form
    26,874.01/40,238.11 = 18,543.97/x
  3. Step 3: Cross multiply
    26,874.01x = 40,238.11 × 18,543.97
  4. Step 4: Simplify right side
    26,874.01x = 746,174,304.70
  5. Step 5: Solve for x
    x = 746,174,304.70/26,874.01
  6. Step 6: Final answer
    x = 27,765.65

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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.