Home / 12,014.15-18,021.68-3,249.06

Finding the Fourth Proportional to 12,014.15, 18,021.68 and 3,249.06

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Solution

The fourth proportional to 12,014.15, 18,021.68 and 3,249.06 is: 4,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.15 : 18,021.68 = 3,249.06 : x
  2. Step 2: Convert to fraction form
    12,014.15/18,021.68 = 3,249.06/x
  3. Step 3: Cross multiply
    12,014.15x = 18,021.68 × 3,249.06
  4. Step 4: Simplify right side
    12,014.15x = 58,553,503.38
  5. Step 5: Solve for x
    x = 58,553,503.38/12,014.15
  6. Step 6: Final answer
    x = 4,873.71

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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.