Home / 13,572.60-20,352.52-5,256.56

Finding the Fourth Proportional to 13,572.60, 20,352.52 and 5,256.56

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Solution

The fourth proportional to 13,572.60, 20,352.52 and 5,256.56 is: 7,882.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,572.60 : 20,352.52 = 5,256.56 : x
  2. Step 2: Convert to fraction form
    13,572.60/20,352.52 = 5,256.56/x
  3. Step 3: Cross multiply
    13,572.60x = 20,352.52 × 5,256.56
  4. Step 4: Simplify right side
    13,572.60x = 106,984,242.53
  5. Step 5: Solve for x
    x = 106,984,242.53/13,572.60
  6. Step 6: Final answer
    x = 7,882.37

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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.