Home / 22,100.20-33,150.30-15,101.80

Finding the Fourth Proportional to 22,100.20, 33,150.30 and 15,101.80

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Solution

The fourth proportional to 22,100.20, 33,150.30 and 15,101.80 is: 22,652.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,100.20 : 33,150.30 = 15,101.80 : x
  2. Step 2: Convert to fraction form
    22,100.20/33,150.30 = 15,101.80/x
  3. Step 3: Cross multiply
    22,100.20x = 33,150.30 × 15,101.80
  4. Step 4: Simplify right side
    22,100.20x = 500,629,200.54
  5. Step 5: Solve for x
    x = 500,629,200.54/22,100.20
  6. Step 6: Final answer
    x = 22,652.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.