Home / 20,010.16-27,613.56-11,057.20

Finding the Fourth Proportional to 20,010.16, 27,613.56 and 11,057.20

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Solution

The fourth proportional to 20,010.16, 27,613.56 and 11,057.20 is: 15,258.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.16 : 27,613.56 = 11,057.20 : x
  2. Step 2: Convert to fraction form
    20,010.16/27,613.56 = 11,057.20/x
  3. Step 3: Cross multiply
    20,010.16x = 27,613.56 × 11,057.20
  4. Step 4: Simplify right side
    20,010.16x = 305,328,655.63
  5. Step 5: Solve for x
    x = 305,328,655.63/20,010.16
  6. Step 6: Final answer
    x = 15,258.68

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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.