Home / 19,449.41-29,177.75-7,762.73

Finding the Fourth Proportional to 19,449.41, 29,177.75 and 7,762.73

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Solution

The fourth proportional to 19,449.41, 29,177.75 and 7,762.73 is: 11,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,449.41 : 29,177.75 = 7,762.73 : x
  2. Step 2: Convert to fraction form
    19,449.41/29,177.75 = 7,762.73/x
  3. Step 3: Cross multiply
    19,449.41x = 29,177.75 × 7,762.73
  4. Step 4: Simplify right side
    19,449.41x = 226,498,810.56
  5. Step 5: Solve for x
    x = 226,498,810.56/19,449.41
  6. Step 6: Final answer
    x = 11,645.54

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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.