Home / 13,268.24-18,311.28-7,301.04

Finding the Fourth Proportional to 13,268.24, 18,311.28 and 7,301.04

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Solution

The fourth proportional to 13,268.24, 18,311.28 and 7,301.04 is: 10,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,268.24 : 18,311.28 = 7,301.04 : x
  2. Step 2: Convert to fraction form
    13,268.24/18,311.28 = 7,301.04/x
  3. Step 3: Cross multiply
    13,268.24x = 18,311.28 × 7,301.04
  4. Step 4: Simplify right side
    13,268.24x = 133,691,387.73
  5. Step 5: Solve for x
    x = 133,691,387.73/13,268.24
  6. Step 6: Final answer
    x = 10,076.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.