Home / 20,257.48-27,923.49-13,873.03

Finding the Fourth Proportional to 20,257.48, 27,923.49 and 13,873.03

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Solution

The fourth proportional to 20,257.48, 27,923.49 and 13,873.03 is: 19,122.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257.48 : 27,923.49 = 13,873.03 : x
  2. Step 2: Convert to fraction form
    20,257.48/27,923.49 = 13,873.03/x
  3. Step 3: Cross multiply
    20,257.48x = 27,923.49 × 13,873.03
  4. Step 4: Simplify right side
    20,257.48x = 387,383,414.47
  5. Step 5: Solve for x
    x = 387,383,414.47/20,257.48
  6. Step 6: Final answer
    x = 19,122.98

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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.