Home / 20,020.42-27,628.32-11,067.76

Finding the Fourth Proportional to 20,020.42, 27,628.32 and 11,067.76

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Solution

The fourth proportional to 20,020.42, 27,628.32 and 11,067.76 is: 15,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,020.42 : 27,628.32 = 11,067.76 : x
  2. Step 2: Convert to fraction form
    20,020.42/27,628.32 = 11,067.76/x
  3. Step 3: Cross multiply
    20,020.42x = 27,628.32 × 11,067.76
  4. Step 4: Simplify right side
    20,020.42x = 305,783,614.96
  5. Step 5: Solve for x
    x = 305,783,614.96/20,020.42
  6. Step 6: Final answer
    x = 15,273.59

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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.