Home / 20,010.11-27,612.50-11,057.49

Finding the Fourth Proportional to 20,010.11, 27,612.50 and 11,057.49

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Solution

The fourth proportional to 20,010.11, 27,612.50 and 11,057.49 is: 15,258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,010.11 : 27,612.50 = 11,057.49 : x
  2. Step 2: Convert to fraction form
    20,010.11/27,612.50 = 11,057.49/x
  3. Step 3: Cross multiply
    20,010.11x = 27,612.50 × 11,057.49
  4. Step 4: Simplify right side
    20,010.11x = 305,324,887.34
  5. Step 5: Solve for x
    x = 305,324,887.34/20,010.11
  6. Step 6: Final answer
    x = 15,258.53

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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.