Home / 17,440.20-26,104.14-12,181.68

Finding the Fourth Proportional to 17,440.20, 26,104.14 and 12,181.68

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Solution

The fourth proportional to 17,440.20, 26,104.14 and 12,181.68 is: 18,233.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,440.20 : 26,104.14 = 12,181.68 : x
  2. Step 2: Convert to fraction form
    17,440.20/26,104.14 = 12,181.68/x
  3. Step 3: Cross multiply
    17,440.20x = 26,104.14 × 12,181.68
  4. Step 4: Simplify right side
    17,440.20x = 317,992,280.16
  5. Step 5: Solve for x
    x = 317,992,280.16/17,440.20
  6. Step 6: Final answer
    x = 18,233.29

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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.