Home / 26,170.24-36,115.20-15,560.80

Finding the Fourth Proportional to 26,170.24, 36,115.20 and 15,560.80

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Solution

The fourth proportional to 26,170.24, 36,115.20 and 15,560.80 is: 21,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,170.24 : 36,115.20 = 15,560.80 : x
  2. Step 2: Convert to fraction form
    26,170.24/36,115.20 = 15,560.80/x
  3. Step 3: Cross multiply
    26,170.24x = 36,115.20 × 15,560.80
  4. Step 4: Simplify right side
    26,170.24x = 561,981,404.16
  5. Step 5: Solve for x
    x = 561,981,404.16/26,170.24
  6. Step 6: Final answer
    x = 21,474.06

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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.