Home / 17,840.40-26,760.87-8,481.38

Finding the Fourth Proportional to 17,840.40, 26,760.87 and 8,481.38

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Solution

The fourth proportional to 17,840.40, 26,760.87 and 8,481.38 is: 12,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,840.40 : 26,760.87 = 8,481.38 : x
  2. Step 2: Convert to fraction form
    17,840.40/26,760.87 = 8,481.38/x
  3. Step 3: Cross multiply
    17,840.40x = 26,760.87 × 8,481.38
  4. Step 4: Simplify right side
    17,840.40x = 226,968,973.80
  5. Step 5: Solve for x
    x = 226,968,973.80/17,840.40
  6. Step 6: Final answer
    x = 12,722.19

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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.