Home / 16,778.21-25,175.52-11,879.33

Finding the Fourth Proportional to 16,778.21, 25,175.52 and 11,879.33

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Solution

The fourth proportional to 16,778.21, 25,175.52 and 11,879.33 is: 17,824.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.21 : 25,175.52 = 11,879.33 : x
  2. Step 2: Convert to fraction form
    16,778.21/25,175.52 = 11,879.33/x
  3. Step 3: Cross multiply
    16,778.21x = 25,175.52 × 11,879.33
  4. Step 4: Simplify right side
    16,778.21x = 299,068,310.00
  5. Step 5: Solve for x
    x = 299,068,310.00/16,778.21
  6. Step 6: Final answer
    x = 17,824.80

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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.