Home / 22,312.26-30,791.15-12,240.44

Finding the Fourth Proportional to 22,312.26, 30,791.15 and 12,240.44

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Solution

The fourth proportional to 22,312.26, 30,791.15 and 12,240.44 is: 16,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,312.26 : 30,791.15 = 12,240.44 : x
  2. Step 2: Convert to fraction form
    22,312.26/30,791.15 = 12,240.44/x
  3. Step 3: Cross multiply
    22,312.26x = 30,791.15 × 12,240.44
  4. Step 4: Simplify right side
    22,312.26x = 376,897,008.95
  5. Step 5: Solve for x
    x = 376,897,008.95/22,312.26
  6. Step 6: Final answer
    x = 16,891.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.