Home / 13,850.28-20,764.62-5,080.68

Finding the Fourth Proportional to 13,850.28, 20,764.62 and 5,080.68

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Solution

The fourth proportional to 13,850.28, 20,764.62 and 5,080.68 is: 7,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.28 : 20,764.62 = 5,080.68 : x
  2. Step 2: Convert to fraction form
    13,850.28/20,764.62 = 5,080.68/x
  3. Step 3: Cross multiply
    13,850.28x = 20,764.62 × 5,080.68
  4. Step 4: Simplify right side
    13,850.28x = 105,498,389.54
  5. Step 5: Solve for x
    x = 105,498,389.54/13,850.28
  6. Step 6: Final answer
    x = 7,617.06

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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.