Home / 16,195.12-22,349.34-9,121.66

Finding the Fourth Proportional to 16,195.12, 22,349.34 and 9,121.66

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Solution

The fourth proportional to 16,195.12, 22,349.34 and 9,121.66 is: 12,587.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,195.12 : 22,349.34 = 9,121.66 : x
  2. Step 2: Convert to fraction form
    16,195.12/22,349.34 = 9,121.66/x
  3. Step 3: Cross multiply
    16,195.12x = 22,349.34 × 9,121.66
  4. Step 4: Simplify right side
    16,195.12x = 203,863,080.70
  5. Step 5: Solve for x
    x = 203,863,080.70/16,195.12
  6. Step 6: Final answer
    x = 12,587.93

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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.