Home / 18,475.81-27,706.53-5,992.82

Finding the Fourth Proportional to 18,475.81, 27,706.53 and 5,992.82

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Solution

The fourth proportional to 18,475.81, 27,706.53 and 5,992.82 is: 8,986.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.81 : 27,706.53 = 5,992.82 : x
  2. Step 2: Convert to fraction form
    18,475.81/27,706.53 = 5,992.82/x
  3. Step 3: Cross multiply
    18,475.81x = 27,706.53 × 5,992.82
  4. Step 4: Simplify right side
    18,475.81x = 166,040,218.10
  5. Step 5: Solve for x
    x = 166,040,218.10/18,475.81
  6. Step 6: Final answer
    x = 8,986.90

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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.