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Finding the Fourth Proportional to 22,169.88, 30,595.18 and 12,098.88

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Solution

The fourth proportional to 22,169.88, 30,595.18 and 12,098.88 is: 16,696.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,169.88 : 30,595.18 = 12,098.88 : x
  2. Step 2: Convert to fraction form
    22,169.88/30,595.18 = 12,098.88/x
  3. Step 3: Cross multiply
    22,169.88x = 30,595.18 × 12,098.88
  4. Step 4: Simplify right side
    22,169.88x = 370,167,411.40
  5. Step 5: Solve for x
    x = 370,167,411.40/22,169.88
  6. Step 6: Final answer
    x = 16,696.86

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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.