Home / 16,479.49-22,736.94-9,309.04

Finding the Fourth Proportional to 16,479.49, 22,736.94 and 9,309.04

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Solution

The fourth proportional to 16,479.49, 22,736.94 and 9,309.04 is: 12,843.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,479.49 : 22,736.94 = 9,309.04 : x
  2. Step 2: Convert to fraction form
    16,479.49/22,736.94 = 9,309.04/x
  3. Step 3: Cross multiply
    16,479.49x = 22,736.94 × 9,309.04
  4. Step 4: Simplify right side
    16,479.49x = 211,659,083.94
  5. Step 5: Solve for x
    x = 211,659,083.94/16,479.49
  6. Step 6: Final answer
    x = 12,843.79

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1.5x scale

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.