Home / 20,049.65-27,671.45-11,550.12

Finding the Fourth Proportional to 20,049.65, 27,671.45 and 11,550.12

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Solution

The fourth proportional to 20,049.65, 27,671.45 and 11,550.12 is: 15,940.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049.65 : 27,671.45 = 11,550.12 : x
  2. Step 2: Convert to fraction form
    20,049.65/27,671.45 = 11,550.12/x
  3. Step 3: Cross multiply
    20,049.65x = 27,671.45 × 11,550.12
  4. Step 4: Simplify right side
    20,049.65x = 319,608,568.07
  5. Step 5: Solve for x
    x = 319,608,568.07/20,049.65
  6. Step 6: Final answer
    x = 15,940.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.