Home / 13,717.97-20,577.91-5,819.58

Finding the Fourth Proportional to 13,717.97, 20,577.91 and 5,819.58

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Solution

The fourth proportional to 13,717.97, 20,577.91 and 5,819.58 is: 8,729.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.97 : 20,577.91 = 5,819.58 : x
  2. Step 2: Convert to fraction form
    13,717.97/20,577.91 = 5,819.58/x
  3. Step 3: Cross multiply
    13,717.97x = 20,577.91 × 5,819.58
  4. Step 4: Simplify right side
    13,717.97x = 119,754,778.93
  5. Step 5: Solve for x
    x = 119,754,778.93/13,717.97
  6. Step 6: Final answer
    x = 8,729.78

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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.