Home / 19,180.44-28,770.66-7,335.42

Finding the Fourth Proportional to 19,180.44, 28,770.66 and 7,335.42

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Solution

The fourth proportional to 19,180.44, 28,770.66 and 7,335.42 is: 11,003.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,180.44 : 28,770.66 = 7,335.42 : x
  2. Step 2: Convert to fraction form
    19,180.44/28,770.66 = 7,335.42/x
  3. Step 3: Cross multiply
    19,180.44x = 28,770.66 × 7,335.42
  4. Step 4: Simplify right side
    19,180.44x = 211,044,766.89
  5. Step 5: Solve for x
    x = 211,044,766.89/19,180.44
  6. Step 6: Final answer
    x = 11,003.12

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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.