Home / 25,608.74-38,418.80-7,841.88

Finding the Fourth Proportional to 25,608.74, 38,418.80 and 7,841.88

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Solution

The fourth proportional to 25,608.74, 38,418.80 and 7,841.88 is: 11,764.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,608.74 : 38,418.80 = 7,841.88 : x
  2. Step 2: Convert to fraction form
    25,608.74/38,418.80 = 7,841.88/x
  3. Step 3: Cross multiply
    25,608.74x = 38,418.80 × 7,841.88
  4. Step 4: Simplify right side
    25,608.74x = 301,275,580.13
  5. Step 5: Solve for x
    x = 301,275,580.13/25,608.74
  6. Step 6: Final answer
    x = 11,764.56

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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.