Home / 20,083.85-27,709.38-11,584.83

Finding the Fourth Proportional to 20,083.85, 27,709.38 and 11,584.83

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Solution

The fourth proportional to 20,083.85, 27,709.38 and 11,584.83 is: 15,983.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.85 : 27,709.38 = 11,584.83 : x
  2. Step 2: Convert to fraction form
    20,083.85/27,709.38 = 11,584.83/x
  3. Step 3: Cross multiply
    20,083.85x = 27,709.38 × 11,584.83
  4. Step 4: Simplify right side
    20,083.85x = 321,008,398.78
  5. Step 5: Solve for x
    x = 321,008,398.78/20,083.85
  6. Step 6: Final answer
    x = 15,983.41

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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.