Home / 22,426.95-33,640.41-19,540.11

Finding the Fourth Proportional to 22,426.95, 33,640.41 and 19,540.11

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Solution

The fourth proportional to 22,426.95, 33,640.41 and 19,540.11 is: 29,310.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,426.95 : 33,640.41 = 19,540.11 : x
  2. Step 2: Convert to fraction form
    22,426.95/33,640.41 = 19,540.11/x
  3. Step 3: Cross multiply
    22,426.95x = 33,640.41 × 19,540.11
  4. Step 4: Simplify right side
    22,426.95x = 657,337,311.85
  5. Step 5: Solve for x
    x = 657,337,311.85/22,426.95
  6. Step 6: Final answer
    x = 29,310.15

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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.