Home / 13,906.66-20,865.75-5,592.57

Finding the Fourth Proportional to 13,906.66, 20,865.75 and 5,592.57

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Solution

The fourth proportional to 13,906.66, 20,865.75 and 5,592.57 is: 8,391.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.66 : 20,865.75 = 5,592.57 : x
  2. Step 2: Convert to fraction form
    13,906.66/20,865.75 = 5,592.57/x
  3. Step 3: Cross multiply
    13,906.66x = 20,865.75 × 5,592.57
  4. Step 4: Simplify right side
    13,906.66x = 116,693,167.48
  5. Step 5: Solve for x
    x = 116,693,167.48/13,906.66
  6. Step 6: Final answer
    x = 8,391.17

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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.