Home / 17,588.17-26,331.18-13,680.73

Finding the Fourth Proportional to 17,588.17, 26,331.18 and 13,680.73

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Solution

The fourth proportional to 17,588.17, 26,331.18 and 13,680.73 is: 20,481.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,588.17 : 26,331.18 = 13,680.73 : x
  2. Step 2: Convert to fraction form
    17,588.17/26,331.18 = 13,680.73/x
  3. Step 3: Cross multiply
    17,588.17x = 26,331.18 × 13,680.73
  4. Step 4: Simplify right side
    17,588.17x = 360,229,764.16
  5. Step 5: Solve for x
    x = 360,229,764.16/17,588.17
  6. Step 6: Final answer
    x = 20,481.37

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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.