Home / 13,397.24-18,488.17-8,091.07

Finding the Fourth Proportional to 13,397.24, 18,488.17 and 8,091.07

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Solution

The fourth proportional to 13,397.24, 18,488.17 and 8,091.07 is: 11,165.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.24 : 18,488.17 = 8,091.07 : x
  2. Step 2: Convert to fraction form
    13,397.24/18,488.17 = 8,091.07/x
  3. Step 3: Cross multiply
    13,397.24x = 18,488.17 × 8,091.07
  4. Step 4: Simplify right side
    13,397.24x = 149,589,077.64
  5. Step 5: Solve for x
    x = 149,589,077.64/13,397.24
  6. Step 6: Final answer
    x = 11,165.66

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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.