Home / 15,979.97-22,092.22-11,994.16

Finding the Fourth Proportional to 15,979.97, 22,092.22 and 11,994.16

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Solution

The fourth proportional to 15,979.97, 22,092.22 and 11,994.16 is: 16,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.97 : 22,092.22 = 11,994.16 : x
  2. Step 2: Convert to fraction form
    15,979.97/22,092.22 = 11,994.16/x
  3. Step 3: Cross multiply
    15,979.97x = 22,092.22 × 11,994.16
  4. Step 4: Simplify right side
    15,979.97x = 264,977,621.44
  5. Step 5: Solve for x
    x = 264,977,621.44/15,979.97
  6. Step 6: Final answer
    x = 16,581.86

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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.