Home / 22,669.20-34,003.80-18,513.90

Finding the Fourth Proportional to 22,669.20, 34,003.80 and 18,513.90

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Solution

The fourth proportional to 22,669.20, 34,003.80 and 18,513.90 is: 27,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,669.20 : 34,003.80 = 18,513.90 : x
  2. Step 2: Convert to fraction form
    22,669.20/34,003.80 = 18,513.90/x
  3. Step 3: Cross multiply
    22,669.20x = 34,003.80 × 18,513.90
  4. Step 4: Simplify right side
    22,669.20x = 629,542,952.82
  5. Step 5: Solve for x
    x = 629,542,952.82/22,669.20
  6. Step 6: Final answer
    x = 27,770.85

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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.