Home / 19,791.38-27,310.67-10,837.43

Finding the Fourth Proportional to 19,791.38, 27,310.67 and 10,837.43

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Solution

The fourth proportional to 19,791.38, 27,310.67 and 10,837.43 is: 14,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.38 : 27,310.67 = 10,837.43 : x
  2. Step 2: Convert to fraction form
    19,791.38/27,310.67 = 10,837.43/x
  3. Step 3: Cross multiply
    19,791.38x = 27,310.67 × 10,837.43
  4. Step 4: Simplify right side
    19,791.38x = 295,977,474.38
  5. Step 5: Solve for x
    x = 295,977,474.38/19,791.38
  6. Step 6: Final answer
    x = 14,954.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.