Home / 12,028.97-18,043.68-4,131.44

Finding the Fourth Proportional to 12,028.97, 18,043.68 and 4,131.44

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Solution

The fourth proportional to 12,028.97, 18,043.68 and 4,131.44 is: 6,197.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.97 : 18,043.68 = 4,131.44 : x
  2. Step 2: Convert to fraction form
    12,028.97/18,043.68 = 4,131.44/x
  3. Step 3: Cross multiply
    12,028.97x = 18,043.68 × 4,131.44
  4. Step 4: Simplify right side
    12,028.97x = 74,546,374.24
  5. Step 5: Solve for x
    x = 74,546,374.24/12,028.97
  6. Step 6: Final answer
    x = 6,197.24

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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.