Home / 27,481.66-41,220.33-7,759.42

Finding the Fourth Proportional to 27,481.66, 41,220.33 and 7,759.42

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Solution

The fourth proportional to 27,481.66, 41,220.33 and 7,759.42 is: 11,638.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,481.66 : 41,220.33 = 7,759.42 : x
  2. Step 2: Convert to fraction form
    27,481.66/41,220.33 = 7,759.42/x
  3. Step 3: Cross multiply
    27,481.66x = 41,220.33 × 7,759.42
  4. Step 4: Simplify right side
    27,481.66x = 319,845,853.01
  5. Step 5: Solve for x
    x = 319,845,853.01/27,481.66
  6. Step 6: Final answer
    x = 11,638.52

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1.5x scale

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.