Home / 13,713.53-20,568.66-3,581.24

Finding the Fourth Proportional to 13,713.53, 20,568.66 and 3,581.24

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Solution

The fourth proportional to 13,713.53, 20,568.66 and 3,581.24 is: 5,371.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,713.53 : 20,568.66 = 3,581.24 : x
  2. Step 2: Convert to fraction form
    13,713.53/20,568.66 = 3,581.24/x
  3. Step 3: Cross multiply
    13,713.53x = 20,568.66 × 3,581.24
  4. Step 4: Simplify right side
    13,713.53x = 73,661,205.10
  5. Step 5: Solve for x
    x = 73,661,205.10/13,713.53
  6. Step 6: Final answer
    x = 5,371.43

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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.