Home / 20,097.96-27,734.24-11,145.27

Finding the Fourth Proportional to 20,097.96, 27,734.24 and 11,145.27

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Solution

The fourth proportional to 20,097.96, 27,734.24 and 11,145.27 is: 15,379.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,097.96 : 27,734.24 = 11,145.27 : x
  2. Step 2: Convert to fraction form
    20,097.96/27,734.24 = 11,145.27/x
  3. Step 3: Cross multiply
    20,097.96x = 27,734.24 × 11,145.27
  4. Step 4: Simplify right side
    20,097.96x = 309,105,568.54
  5. Step 5: Solve for x
    x = 309,105,568.54/20,097.96
  6. Step 6: Final answer
    x = 15,379.95

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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.