Home / 27,419.92-41,153.87-13,390.31

Finding the Fourth Proportional to 27,419.92, 41,153.87 and 13,390.31

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Solution

The fourth proportional to 27,419.92, 41,153.87 and 13,390.31 is: 20,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,419.92 : 41,153.87 = 13,390.31 : x
  2. Step 2: Convert to fraction form
    27,419.92/41,153.87 = 13,390.31/x
  3. Step 3: Cross multiply
    27,419.92x = 41,153.87 × 13,390.31
  4. Step 4: Simplify right side
    27,419.92x = 551,063,213.36
  5. Step 5: Solve for x
    x = 551,063,213.36/27,419.92
  6. Step 6: Final answer
    x = 20,097.19

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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.