Home / 13,717.41-20,581.24-5,403.22

Finding the Fourth Proportional to 13,717.41, 20,581.24 and 5,403.22

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Solution

The fourth proportional to 13,717.41, 20,581.24 and 5,403.22 is: 8,106.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,717.41 : 20,581.24 = 5,403.22 : x
  2. Step 2: Convert to fraction form
    13,717.41/20,581.24 = 5,403.22/x
  3. Step 3: Cross multiply
    13,717.41x = 20,581.24 × 5,403.22
  4. Step 4: Simplify right side
    13,717.41x = 111,204,967.59
  5. Step 5: Solve for x
    x = 111,204,967.59/13,717.41
  6. Step 6: Final answer
    x = 8,106.85

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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.