Home / 22,179.07-30,640.50-14,540.49

Finding the Fourth Proportional to 22,179.07, 30,640.50 and 14,540.49

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Solution

The fourth proportional to 22,179.07, 30,640.50 and 14,540.49 is: 20,087.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,179.07 : 30,640.50 = 14,540.49 : x
  2. Step 2: Convert to fraction form
    22,179.07/30,640.50 = 14,540.49/x
  3. Step 3: Cross multiply
    22,179.07x = 30,640.50 × 14,540.49
  4. Step 4: Simplify right side
    22,179.07x = 445,527,883.85
  5. Step 5: Solve for x
    x = 445,527,883.85/22,179.07
  6. Step 6: Final answer
    x = 20,087.76

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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.