Home / 13,910.09-20,865.33-5,593.95

Finding the Fourth Proportional to 13,910.09, 20,865.33 and 5,593.95

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Solution

The fourth proportional to 13,910.09, 20,865.33 and 5,593.95 is: 8,391.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910.09 : 20,865.33 = 5,593.95 : x
  2. Step 2: Convert to fraction form
    13,910.09/20,865.33 = 5,593.95/x
  3. Step 3: Cross multiply
    13,910.09x = 20,865.33 × 5,593.95
  4. Step 4: Simplify right side
    13,910.09x = 116,719,612.75
  5. Step 5: Solve for x
    x = 116,719,612.75/13,910.09
  6. Step 6: Final answer
    x = 8,391.01

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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.