Home / 23,135.52-34,721.10-12,045

Finding the Fourth Proportional to 23,135.52, 34,721.10 and 12,045

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Solution

The fourth proportional to 23,135.52, 34,721.10 and 12,045 is: 18,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,135.52 : 34,721.10 = 12,045 : x
  2. Step 2: Convert to fraction form
    23,135.52/34,721.10 = 12,045/x
  3. Step 3: Cross multiply
    23,135.52x = 34,721.10 × 12,045
  4. Step 4: Simplify right side
    23,135.52x = 418,215,649.50
  5. Step 5: Solve for x
    x = 418,215,649.50/23,135.52
  6. Step 6: Final answer
    x = 18,076.78

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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.