Home / 22,270.80-30,732.61-12,199.30

Finding the Fourth Proportional to 22,270.80, 30,732.61 and 12,199.30

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Solution

The fourth proportional to 22,270.80, 30,732.61 and 12,199.30 is: 16,834.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.80 : 30,732.61 = 12,199.30 : x
  2. Step 2: Convert to fraction form
    22,270.80/30,732.61 = 12,199.30/x
  3. Step 3: Cross multiply
    22,270.80x = 30,732.61 × 12,199.30
  4. Step 4: Simplify right side
    22,270.80x = 374,916,329.17
  5. Step 5: Solve for x
    x = 374,916,329.17/22,270.80
  6. Step 6: Final answer
    x = 16,834.43

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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.