Home / 12,023.18-18,029.61-4,126.44

Finding the Fourth Proportional to 12,023.18, 18,029.61 and 4,126.44

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Solution

The fourth proportional to 12,023.18, 18,029.61 and 4,126.44 is: 6,187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,023.18 : 18,029.61 = 4,126.44 : x
  2. Step 2: Convert to fraction form
    12,023.18/18,029.61 = 4,126.44/x
  3. Step 3: Cross multiply
    12,023.18x = 18,029.61 × 4,126.44
  4. Step 4: Simplify right side
    12,023.18x = 74,398,183.11
  5. Step 5: Solve for x
    x = 74,398,183.11/12,023.18
  6. Step 6: Final answer
    x = 6,187.89

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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.