Home / 22,108.80-33,163.20-17,961.60

Finding the Fourth Proportional to 22,108.80, 33,163.20 and 17,961.60

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Solution

The fourth proportional to 22,108.80, 33,163.20 and 17,961.60 is: 26,942.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.80 : 33,163.20 = 17,961.60 : x
  2. Step 2: Convert to fraction form
    22,108.80/33,163.20 = 17,961.60/x
  3. Step 3: Cross multiply
    22,108.80x = 33,163.20 × 17,961.60
  4. Step 4: Simplify right side
    22,108.80x = 595,664,133.12
  5. Step 5: Solve for x
    x = 595,664,133.12/22,108.80
  6. Step 6: Final answer
    x = 26,942.40

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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.