Home / 13,161.44-19,755.28-10,724.96

Finding the Fourth Proportional to 13,161.44, 19,755.28 and 10,724.96

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Solution

The fourth proportional to 13,161.44, 19,755.28 and 10,724.96 is: 16,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161.44 : 19,755.28 = 10,724.96 : x
  2. Step 2: Convert to fraction form
    13,161.44/19,755.28 = 10,724.96/x
  3. Step 3: Cross multiply
    13,161.44x = 19,755.28 × 10,724.96
  4. Step 4: Simplify right side
    13,161.44x = 211,874,587.79
  5. Step 5: Solve for x
    x = 211,874,587.79/13,161.44
  6. Step 6: Final answer
    x = 16,098.13

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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.