Home / 12,081.26-18,114.50-11,049.93

Finding the Fourth Proportional to 12,081.26, 18,114.50 and 11,049.93

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Solution

The fourth proportional to 12,081.26, 18,114.50 and 11,049.93 is: 16,568.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.26 : 18,114.50 = 11,049.93 : x
  2. Step 2: Convert to fraction form
    12,081.26/18,114.50 = 11,049.93/x
  3. Step 3: Cross multiply
    12,081.26x = 18,114.50 × 11,049.93
  4. Step 4: Simplify right side
    12,081.26x = 200,163,984.61
  5. Step 5: Solve for x
    x = 200,163,984.61/12,081.26
  6. Step 6: Final answer
    x = 16,568.13

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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.