Home / 18,190.08-27,296.78-11,962.62

Finding the Fourth Proportional to 18,190.08, 27,296.78 and 11,962.62

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Solution

The fourth proportional to 18,190.08, 27,296.78 and 11,962.62 is: 17,951.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.08 : 27,296.78 = 11,962.62 : x
  2. Step 2: Convert to fraction form
    18,190.08/27,296.78 = 11,962.62/x
  3. Step 3: Cross multiply
    18,190.08x = 27,296.78 × 11,962.62
  4. Step 4: Simplify right side
    18,190.08x = 326,540,946.55
  5. Step 5: Solve for x
    x = 326,540,946.55/18,190.08
  6. Step 6: Final answer
    x = 17,951.59

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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.