Home / 23,991.33-33,121.59-15,938.79

Finding the Fourth Proportional to 23,991.33, 33,121.59 and 15,938.79

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Solution

The fourth proportional to 23,991.33, 33,121.59 and 15,938.79 is: 22,004.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991.33 : 33,121.59 = 15,938.79 : x
  2. Step 2: Convert to fraction form
    23,991.33/33,121.59 = 15,938.79/x
  3. Step 3: Cross multiply
    23,991.33x = 33,121.59 × 15,938.79
  4. Step 4: Simplify right side
    23,991.33x = 527,918,067.48
  5. Step 5: Solve for x
    x = 527,918,067.48/23,991.33
  6. Step 6: Final answer
    x = 22,004.54

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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.