Home / 22,017.60-30,348.90-17,229.42

Finding the Fourth Proportional to 22,017.60, 30,348.90 and 17,229.42

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Solution

The fourth proportional to 22,017.60, 30,348.90 and 17,229.42 is: 23,748.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.60 : 30,348.90 = 17,229.42 : x
  2. Step 2: Convert to fraction form
    22,017.60/30,348.90 = 17,229.42/x
  3. Step 3: Cross multiply
    22,017.60x = 30,348.90 × 17,229.42
  4. Step 4: Simplify right side
    22,017.60x = 522,893,944.64
  5. Step 5: Solve for x
    x = 522,893,944.64/22,017.60
  6. Step 6: Final answer
    x = 23,748.91

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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.