Home / 26,874.18-37,083.42-15,543.90

Finding the Fourth Proportional to 26,874.18, 37,083.42 and 15,543.90

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Solution

The fourth proportional to 26,874.18, 37,083.42 and 15,543.90 is: 21,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,874.18 : 37,083.42 = 15,543.90 : x
  2. Step 2: Convert to fraction form
    26,874.18/37,083.42 = 15,543.90/x
  3. Step 3: Cross multiply
    26,874.18x = 37,083.42 × 15,543.90
  4. Step 4: Simplify right side
    26,874.18x = 576,420,972.14
  5. Step 5: Solve for x
    x = 576,420,972.14/26,874.18
  6. Step 6: Final answer
    x = 21,448.88

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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.