Home / 20,008.96-27,613.98-11,057.24

Finding the Fourth Proportional to 20,008.96, 27,613.98 and 11,057.24

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Solution

The fourth proportional to 20,008.96, 27,613.98 and 11,057.24 is: 15,259.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.96 : 27,613.98 = 11,057.24 : x
  2. Step 2: Convert to fraction form
    20,008.96/27,613.98 = 11,057.24/x
  3. Step 3: Cross multiply
    20,008.96x = 27,613.98 × 11,057.24
  4. Step 4: Simplify right side
    20,008.96x = 305,334,404.22
  5. Step 5: Solve for x
    x = 305,334,404.22/20,008.96
  6. Step 6: Final answer
    x = 15,259.88

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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.