Home / 19,825.38-29,743.02-13,993.38

Finding the Fourth Proportional to 19,825.38, 29,743.02 and 13,993.38

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Solution

The fourth proportional to 19,825.38, 29,743.02 and 13,993.38 is: 20,993.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,825.38 : 29,743.02 = 13,993.38 : x
  2. Step 2: Convert to fraction form
    19,825.38/29,743.02 = 13,993.38/x
  3. Step 3: Cross multiply
    19,825.38x = 29,743.02 × 13,993.38
  4. Step 4: Simplify right side
    19,825.38x = 416,205,381.21
  5. Step 5: Solve for x
    x = 416,205,381.21/19,825.38
  6. Step 6: Final answer
    x = 20,993.56

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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.