Home / 13,717.57-20,572.29-5,819.98

Finding the Fourth Proportional to 13,717.57, 20,572.29 and 5,819.98

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Solution

The fourth proportional to 13,717.57, 20,572.29 and 5,819.98 is: 8,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.57 : 20,572.29 = 5,819.98 : x
  2. Step 2: Convert to fraction form
    13,717.57/20,572.29 = 5,819.98/x
  3. Step 3: Cross multiply
    13,717.57x = 20,572.29 × 5,819.98
  4. Step 4: Simplify right side
    13,717.57x = 119,730,316.35
  5. Step 5: Solve for x
    x = 119,730,316.35/13,717.57
  6. Step 6: Final answer
    x = 8,728.25

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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.