Home / 20,010.41-27,613.97-11,057.72

Finding the Fourth Proportional to 20,010.41, 27,613.97 and 11,057.72

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Solution

The fourth proportional to 20,010.41, 27,613.97 and 11,057.72 is: 15,259.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.41 : 27,613.97 = 11,057.72 : x
  2. Step 2: Convert to fraction form
    20,010.41/27,613.97 = 11,057.72/x
  3. Step 3: Cross multiply
    20,010.41x = 27,613.97 × 11,057.72
  4. Step 4: Simplify right side
    20,010.41x = 305,347,548.35
  5. Step 5: Solve for x
    x = 305,347,548.35/20,010.41
  6. Step 6: Final answer
    x = 15,259.43

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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.