Home / 13,387.24-20,081.50-5,066.60

Finding the Fourth Proportional to 13,387.24, 20,081.50 and 5,066.60

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Solution

The fourth proportional to 13,387.24, 20,081.50 and 5,066.60 is: 7,600.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,387.24 : 20,081.50 = 5,066.60 : x
  2. Step 2: Convert to fraction form
    13,387.24/20,081.50 = 5,066.60/x
  3. Step 3: Cross multiply
    13,387.24x = 20,081.50 × 5,066.60
  4. Step 4: Simplify right side
    13,387.24x = 101,744,927.90
  5. Step 5: Solve for x
    x = 101,744,927.90/13,387.24
  6. Step 6: Final answer
    x = 7,600.14

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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.