Home / 18,318.15-27,474.15-5,167.44

Finding the Fourth Proportional to 18,318.15, 27,474.15 and 5,167.44

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Solution

The fourth proportional to 18,318.15, 27,474.15 and 5,167.44 is: 7,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.15 : 27,474.15 = 5,167.44 : x
  2. Step 2: Convert to fraction form
    18,318.15/27,474.15 = 5,167.44/x
  3. Step 3: Cross multiply
    18,318.15x = 27,474.15 × 5,167.44
  4. Step 4: Simplify right side
    18,318.15x = 141,971,021.68
  5. Step 5: Solve for x
    x = 141,971,021.68/18,318.15
  6. Step 6: Final answer
    x = 7,750.29

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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.