Home / 16,065.26-22,171.07-8,992.20

Finding the Fourth Proportional to 16,065.26, 22,171.07 and 8,992.20

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Solution

The fourth proportional to 16,065.26, 22,171.07 and 8,992.20 is: 12,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,065.26 : 22,171.07 = 8,992.20 : x
  2. Step 2: Convert to fraction form
    16,065.26/22,171.07 = 8,992.20/x
  3. Step 3: Cross multiply
    16,065.26x = 22,171.07 × 8,992.20
  4. Step 4: Simplify right side
    16,065.26x = 199,366,695.65
  5. Step 5: Solve for x
    x = 199,366,695.65/16,065.26
  6. Step 6: Final answer
    x = 12,409.80

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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.