Home / 13,916.40-20,869.41-5,593.61

Finding the Fourth Proportional to 13,916.40, 20,869.41 and 5,593.61

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Solution

The fourth proportional to 13,916.40, 20,869.41 and 5,593.61 is: 8,388.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.40 : 20,869.41 = 5,593.61 : x
  2. Step 2: Convert to fraction form
    13,916.40/20,869.41 = 5,593.61/x
  3. Step 3: Cross multiply
    13,916.40x = 20,869.41 × 5,593.61
  4. Step 4: Simplify right side
    13,916.40x = 116,735,354.92
  5. Step 5: Solve for x
    x = 116,735,354.92/13,916.40
  6. Step 6: Final answer
    x = 8,388.33

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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.