Home / 20,009.38-27,613.00-10,934.85

Finding the Fourth Proportional to 20,009.38, 27,613.00 and 10,934.85

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Solution

The fourth proportional to 20,009.38, 27,613.00 and 10,934.85 is: 15,090.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,009.38 : 27,613.00 = 10,934.85 : x
  2. Step 2: Convert to fraction form
    20,009.38/27,613.00 = 10,934.85/x
  3. Step 3: Cross multiply
    20,009.38x = 27,613.00 × 10,934.85
  4. Step 4: Simplify right side
    20,009.38x = 301,943,974.94
  5. Step 5: Solve for x
    x = 301,943,974.94/20,009.38
  6. Step 6: Final answer
    x = 15,090.12

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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.