Home / 26,481.94-39,728.38-7,762.58

Finding the Fourth Proportional to 26,481.94, 39,728.38 and 7,762.58

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Solution

The fourth proportional to 26,481.94, 39,728.38 and 7,762.58 is: 11,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,481.94 : 39,728.38 = 7,762.58 : x
  2. Step 2: Convert to fraction form
    26,481.94/39,728.38 = 7,762.58/x
  3. Step 3: Cross multiply
    26,481.94x = 39,728.38 × 7,762.58
  4. Step 4: Simplify right side
    26,481.94x = 308,394,728.02
  5. Step 5: Solve for x
    x = 308,394,728.02/26,481.94
  6. Step 6: Final answer
    x = 11,645.47

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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.