Home / 22,343.61-30,834.51-12,272.96

Finding the Fourth Proportional to 22,343.61, 30,834.51 and 12,272.96

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Solution

The fourth proportional to 22,343.61, 30,834.51 and 12,272.96 is: 16,936.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,343.61 : 30,834.51 = 12,272.96 : x
  2. Step 2: Convert to fraction form
    22,343.61/30,834.51 = 12,272.96/x
  3. Step 3: Cross multiply
    22,343.61x = 30,834.51 × 12,272.96
  4. Step 4: Simplify right side
    22,343.61x = 378,430,553.68
  5. Step 5: Solve for x
    x = 378,430,553.68/22,343.61
  6. Step 6: Final answer
    x = 16,936.86

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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.