Home / 22,198.94-30,633.28-12,125.38

Finding the Fourth Proportional to 22,198.94, 30,633.28 and 12,125.38

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Solution

The fourth proportional to 22,198.94, 30,633.28 and 12,125.38 is: 16,732.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,198.94 : 30,633.28 = 12,125.38 : x
  2. Step 2: Convert to fraction form
    22,198.94/30,633.28 = 12,125.38/x
  3. Step 3: Cross multiply
    22,198.94x = 30,633.28 × 12,125.38
  4. Step 4: Simplify right side
    22,198.94x = 371,440,160.65
  5. Step 5: Solve for x
    x = 371,440,160.65/22,198.94
  6. Step 6: Final answer
    x = 16,732.34

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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.