Home / 19,046.48-28,560.36-7,949.84

Finding the Fourth Proportional to 19,046.48, 28,560.36 and 7,949.84

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Solution

The fourth proportional to 19,046.48, 28,560.36 and 7,949.84 is: 11,920.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,046.48 : 28,560.36 = 7,949.84 : x
  2. Step 2: Convert to fraction form
    19,046.48/28,560.36 = 7,949.84/x
  3. Step 3: Cross multiply
    19,046.48x = 28,560.36 × 7,949.84
  4. Step 4: Simplify right side
    19,046.48x = 227,050,292.34
  5. Step 5: Solve for x
    x = 227,050,292.34/19,046.48
  6. Step 6: Final answer
    x = 11,920.85

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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.