Home / 15,982.13-23,974.31-4,887.97

Finding the Fourth Proportional to 15,982.13, 23,974.31 and 4,887.97

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Solution

The fourth proportional to 15,982.13, 23,974.31 and 4,887.97 is: 7,332.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.13 : 23,974.31 = 4,887.97 : x
  2. Step 2: Convert to fraction form
    15,982.13/23,974.31 = 4,887.97/x
  3. Step 3: Cross multiply
    15,982.13x = 23,974.31 × 4,887.97
  4. Step 4: Simplify right side
    15,982.13x = 117,185,708.05
  5. Step 5: Solve for x
    x = 117,185,708.05/15,982.13
  6. Step 6: Final answer
    x = 7,332.30

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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.