Home / 12,028.52-18,023.87-9,251.84

Finding the Fourth Proportional to 12,028.52, 18,023.87 and 9,251.84

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Solution

The fourth proportional to 12,028.52, 18,023.87 and 9,251.84 is: 13,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,028.52 : 18,023.87 = 9,251.84 : x
  2. Step 2: Convert to fraction form
    12,028.52/18,023.87 = 9,251.84/x
  3. Step 3: Cross multiply
    12,028.52x = 18,023.87 × 9,251.84
  4. Step 4: Simplify right side
    12,028.52x = 166,753,825.04
  5. Step 5: Solve for x
    x = 166,753,825.04/12,028.52
  6. Step 6: Final answer
    x = 13,863.21

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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.