Home / 20,262.94-27,966.09-11,879.44

Finding the Fourth Proportional to 20,262.94, 27,966.09 and 11,879.44

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Solution

The fourth proportional to 20,262.94, 27,966.09 and 11,879.44 is: 16,395.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.94 : 27,966.09 = 11,879.44 : x
  2. Step 2: Convert to fraction form
    20,262.94/27,966.09 = 11,879.44/x
  3. Step 3: Cross multiply
    20,262.94x = 27,966.09 × 11,879.44
  4. Step 4: Simplify right side
    20,262.94x = 332,221,462.82
  5. Step 5: Solve for x
    x = 332,221,462.82/20,262.94
  6. Step 6: Final answer
    x = 16,395.52

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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.