Home / 21,974.24-30,301.28-16,609.04

Finding the Fourth Proportional to 21,974.24, 30,301.28 and 16,609.04

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Solution

The fourth proportional to 21,974.24, 30,301.28 and 16,609.04 is: 22,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,974.24 : 30,301.28 = 16,609.04 : x
  2. Step 2: Convert to fraction form
    21,974.24/30,301.28 = 16,609.04/x
  3. Step 3: Cross multiply
    21,974.24x = 30,301.28 × 16,609.04
  4. Step 4: Simplify right side
    21,974.24x = 503,275,171.57
  5. Step 5: Solve for x
    x = 503,275,171.57/21,974.24
  6. Step 6: Final answer
    x = 22,902.96

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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.