Home / 18,391.14-27,589.30-7,298.96

Finding the Fourth Proportional to 18,391.14, 27,589.30 and 7,298.96

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Solution

The fourth proportional to 18,391.14, 27,589.30 and 7,298.96 is: 10,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391.14 : 27,589.30 = 7,298.96 : x
  2. Step 2: Convert to fraction form
    18,391.14/27,589.30 = 7,298.96/x
  3. Step 3: Cross multiply
    18,391.14x = 27,589.30 × 7,298.96
  4. Step 4: Simplify right side
    18,391.14x = 201,373,040.93
  5. Step 5: Solve for x
    x = 201,373,040.93/18,391.14
  6. Step 6: Final answer
    x = 10,949.46

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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.