Home / 22,343.90-30,834.56-12,272.61

Finding the Fourth Proportional to 22,343.90, 30,834.56 and 12,272.61

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Solution

The fourth proportional to 22,343.90, 30,834.56 and 12,272.61 is: 16,936.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,343.90 : 30,834.56 = 12,272.61 : x
  2. Step 2: Convert to fraction form
    22,343.90/30,834.56 = 12,272.61/x
  3. Step 3: Cross multiply
    22,343.90x = 30,834.56 × 12,272.61
  4. Step 4: Simplify right side
    22,343.90x = 378,420,433.23
  5. Step 5: Solve for x
    x = 378,420,433.23/22,343.90
  6. Step 6: Final answer
    x = 16,936.19

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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.