Home / 25,608.88-38,380.02-13,118.32

Finding the Fourth Proportional to 25,608.88, 38,380.02 and 13,118.32

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Solution

The fourth proportional to 25,608.88, 38,380.02 and 13,118.32 is: 19,660.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.88 : 38,380.02 = 13,118.32 : x
  2. Step 2: Convert to fraction form
    25,608.88/38,380.02 = 13,118.32/x
  3. Step 3: Cross multiply
    25,608.88x = 38,380.02 × 13,118.32
  4. Step 4: Simplify right side
    25,608.88x = 503,481,383.97
  5. Step 5: Solve for x
    x = 503,481,383.97/25,608.88
  6. Step 6: Final answer
    x = 19,660.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.