Home / 20,433.50-30,591.77-13,847.97

Finding the Fourth Proportional to 20,433.50, 30,591.77 and 13,847.97

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Solution

The fourth proportional to 20,433.50, 30,591.77 and 13,847.97 is: 20,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433.50 : 30,591.77 = 13,847.97 : x
  2. Step 2: Convert to fraction form
    20,433.50/30,591.77 = 13,847.97/x
  3. Step 3: Cross multiply
    20,433.50x = 30,591.77 × 13,847.97
  4. Step 4: Simplify right side
    20,433.50x = 423,633,843.97
  5. Step 5: Solve for x
    x = 423,633,843.97/20,433.50
  6. Step 6: Final answer
    x = 20,732.32

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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.