Home / 22,170.36-30,595.04-12,098.78

Finding the Fourth Proportional to 22,170.36, 30,595.04 and 12,098.78

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Solution

The fourth proportional to 22,170.36, 30,595.04 and 12,098.78 is: 16,696.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.36 : 30,595.04 = 12,098.78 : x
  2. Step 2: Convert to fraction form
    22,170.36/30,595.04 = 12,098.78/x
  3. Step 3: Cross multiply
    22,170.36x = 30,595.04 × 12,098.78
  4. Step 4: Simplify right side
    22,170.36x = 370,162,658.05
  5. Step 5: Solve for x
    x = 370,162,658.05/22,170.36
  6. Step 6: Final answer
    x = 16,696.29

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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.