Home / 16,271.66-22,456.86-9,198.02

Finding the Fourth Proportional to 16,271.66, 22,456.86 and 9,198.02

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Solution

The fourth proportional to 16,271.66, 22,456.86 and 9,198.02 is: 12,694.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,271.66 : 22,456.86 = 9,198.02 : x
  2. Step 2: Convert to fraction form
    16,271.66/22,456.86 = 9,198.02/x
  3. Step 3: Cross multiply
    16,271.66x = 22,456.86 × 9,198.02
  4. Step 4: Simplify right side
    16,271.66x = 206,558,647.42
  5. Step 5: Solve for x
    x = 206,558,647.42/16,271.66
  6. Step 6: Final answer
    x = 12,694.38

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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.