Home / 20,083.38-27,708.73-11,584.36

Finding the Fourth Proportional to 20,083.38, 27,708.73 and 11,584.36

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Solution

The fourth proportional to 20,083.38, 27,708.73 and 11,584.36 is: 15,982.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.38 : 27,708.73 = 11,584.36 : x
  2. Step 2: Convert to fraction form
    20,083.38/27,708.73 = 11,584.36/x
  3. Step 3: Cross multiply
    20,083.38x = 27,708.73 × 11,584.36
  4. Step 4: Simplify right side
    20,083.38x = 320,987,903.46
  5. Step 5: Solve for x
    x = 320,987,903.46/20,083.38
  6. Step 6: Final answer
    x = 15,982.76

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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.