Home / 19,451.41-29,180.75-7,764.73

Finding the Fourth Proportional to 19,451.41, 29,180.75 and 7,764.73

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Solution

The fourth proportional to 19,451.41, 29,180.75 and 7,764.73 is: 11,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.41 : 29,180.75 = 7,764.73 : x
  2. Step 2: Convert to fraction form
    19,451.41/29,180.75 = 7,764.73/x
  3. Step 3: Cross multiply
    19,451.41x = 29,180.75 × 7,764.73
  4. Step 4: Simplify right side
    19,451.41x = 226,580,644.95
  5. Step 5: Solve for x
    x = 226,580,644.95/19,451.41
  6. Step 6: Final answer
    x = 11,648.55

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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.