Home / 16,293.43-22,481.04-9,919.95

Finding the Fourth Proportional to 16,293.43, 22,481.04 and 9,919.95

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Solution

The fourth proportional to 16,293.43, 22,481.04 and 9,919.95 is: 13,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,293.43 : 22,481.04 = 9,919.95 : x
  2. Step 2: Convert to fraction form
    16,293.43/22,481.04 = 9,919.95/x
  3. Step 3: Cross multiply
    16,293.43x = 22,481.04 × 9,919.95
  4. Step 4: Simplify right side
    16,293.43x = 223,010,792.75
  5. Step 5: Solve for x
    x = 223,010,792.75/16,293.43
  6. Step 6: Final answer
    x = 13,687.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.