Home / 13,722.17-20,581.43-3,862.29

Finding the Fourth Proportional to 13,722.17, 20,581.43 and 3,862.29

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Solution

The fourth proportional to 13,722.17, 20,581.43 and 3,862.29 is: 5,792.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.17 : 20,581.43 = 3,862.29 : x
  2. Step 2: Convert to fraction form
    13,722.17/20,581.43 = 3,862.29/x
  3. Step 3: Cross multiply
    13,722.17x = 20,581.43 × 3,862.29
  4. Step 4: Simplify right side
    13,722.17x = 79,491,393.37
  5. Step 5: Solve for x
    x = 79,491,393.37/13,722.17
  6. Step 6: Final answer
    x = 5,792.92

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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.