Home / 16,891.20-25,365.60-16,372.80

Finding the Fourth Proportional to 16,891.20, 25,365.60 and 16,372.80

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Solution

The fourth proportional to 16,891.20, 25,365.60 and 16,372.80 is: 24,587.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.20 : 25,365.60 = 16,372.80 : x
  2. Step 2: Convert to fraction form
    16,891.20/25,365.60 = 16,372.80/x
  3. Step 3: Cross multiply
    16,891.20x = 25,365.60 × 16,372.80
  4. Step 4: Simplify right side
    16,891.20x = 415,305,895.68
  5. Step 5: Solve for x
    x = 415,305,895.68/16,891.20
  6. Step 6: Final answer
    x = 24,587.12

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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.