Home / 18,190.56-27,296.30-7,659.75

Finding the Fourth Proportional to 18,190.56, 27,296.30 and 7,659.75

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Solution

The fourth proportional to 18,190.56, 27,296.30 and 7,659.75 is: 11,494.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190.56 : 27,296.30 = 7,659.75 : x
  2. Step 2: Convert to fraction form
    18,190.56/27,296.30 = 7,659.75/x
  3. Step 3: Cross multiply
    18,190.56x = 27,296.30 × 7,659.75
  4. Step 4: Simplify right side
    18,190.56x = 209,082,853.07
  5. Step 5: Solve for x
    x = 209,082,853.07/18,190.56
  6. Step 6: Final answer
    x = 11,494.03

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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.