Home / 18,195.39-27,292.23-7,104.09

Finding the Fourth Proportional to 18,195.39, 27,292.23 and 7,104.09

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Solution

The fourth proportional to 18,195.39, 27,292.23 and 7,104.09 is: 10,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.39 : 27,292.23 = 7,104.09 : x
  2. Step 2: Convert to fraction form
    18,195.39/27,292.23 = 7,104.09/x
  3. Step 3: Cross multiply
    18,195.39x = 27,292.23 × 7,104.09
  4. Step 4: Simplify right side
    18,195.39x = 193,886,458.22
  5. Step 5: Solve for x
    x = 193,886,458.22/18,195.39
  6. Step 6: Final answer
    x = 10,655.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.