Home / 22,270.18-30,733.20-12,198.43

Finding the Fourth Proportional to 22,270.18, 30,733.20 and 12,198.43

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Solution

The fourth proportional to 22,270.18, 30,733.20 and 12,198.43 is: 16,834.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.18 : 30,733.20 = 12,198.43 : x
  2. Step 2: Convert to fraction form
    22,270.18/30,733.20 = 12,198.43/x
  3. Step 3: Cross multiply
    22,270.18x = 30,733.20 × 12,198.43
  4. Step 4: Simplify right side
    22,270.18x = 374,896,788.88
  5. Step 5: Solve for x
    x = 374,896,788.88/22,270.18
  6. Step 6: Final answer
    x = 16,834.03

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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.