Home / 13,374.24-20,057.28-5,581.23

Finding the Fourth Proportional to 13,374.24, 20,057.28 and 5,581.23

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Solution

The fourth proportional to 13,374.24, 20,057.28 and 5,581.23 is: 8,370.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.24 : 20,057.28 = 5,581.23 : x
  2. Step 2: Convert to fraction form
    13,374.24/20,057.28 = 5,581.23/x
  3. Step 3: Cross multiply
    13,374.24x = 20,057.28 × 5,581.23
  4. Step 4: Simplify right side
    13,374.24x = 111,944,292.85
  5. Step 5: Solve for x
    x = 111,944,292.85/13,374.24
  6. Step 6: Final answer
    x = 8,370.14

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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.