Home / 13,488.26-20,232.15-5,166.02

Finding the Fourth Proportional to 13,488.26, 20,232.15 and 5,166.02

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Solution

The fourth proportional to 13,488.26, 20,232.15 and 5,166.02 is: 7,748.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.26 : 20,232.15 = 5,166.02 : x
  2. Step 2: Convert to fraction form
    13,488.26/20,232.15 = 5,166.02/x
  3. Step 3: Cross multiply
    13,488.26x = 20,232.15 × 5,166.02
  4. Step 4: Simplify right side
    13,488.26x = 104,519,691.54
  5. Step 5: Solve for x
    x = 104,519,691.54/13,488.26
  6. Step 6: Final answer
    x = 7,748.94

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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.