Home / 16,194.38-22,344.33-9,120.80

Finding the Fourth Proportional to 16,194.38, 22,344.33 and 9,120.80

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Solution

The fourth proportional to 16,194.38, 22,344.33 and 9,120.80 is: 12,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,194.38 : 22,344.33 = 9,120.80 : x
  2. Step 2: Convert to fraction form
    16,194.38/22,344.33 = 9,120.80/x
  3. Step 3: Cross multiply
    16,194.38x = 22,344.33 × 9,120.80
  4. Step 4: Simplify right side
    16,194.38x = 203,798,053.34
  5. Step 5: Solve for x
    x = 203,798,053.34/16,194.38
  6. Step 6: Final answer
    x = 12,584.50

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Half scale
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Double scale
Find fourth proportional to 16,195.38, 22,345.71 and 9,121.80
Similar ratio
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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.