Home / 34,682.28-51,992.19-12,480.04

Finding the Fourth Proportional to 34,682.28, 51,992.19 and 12,480.04

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Solution

The fourth proportional to 34,682.28, 51,992.19 and 12,480.04 is: 18,708.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,682.28 : 51,992.19 = 12,480.04 : x
  2. Step 2: Convert to fraction form
    34,682.28/51,992.19 = 12,480.04/x
  3. Step 3: Cross multiply
    34,682.28x = 51,992.19 × 12,480.04
  4. Step 4: Simplify right side
    34,682.28x = 648,864,610.89
  5. Step 5: Solve for x
    x = 648,864,610.89/34,682.28
  6. Step 6: Final answer
    x = 18,708.82

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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.