Home / 18,186.20-27,279.30-14,905.70

Finding the Fourth Proportional to 18,186.20, 27,279.30 and 14,905.70

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Solution

The fourth proportional to 18,186.20, 27,279.30 and 14,905.70 is: 22,358.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.20 : 27,279.30 = 14,905.70 : x
  2. Step 2: Convert to fraction form
    18,186.20/27,279.30 = 14,905.70/x
  3. Step 3: Cross multiply
    18,186.20x = 27,279.30 × 14,905.70
  4. Step 4: Simplify right side
    18,186.20x = 406,617,062.01
  5. Step 5: Solve for x
    x = 406,617,062.01/18,186.20
  6. Step 6: Final answer
    x = 22,358.55

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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.