Home / 15,961.92-23,945.73-5,431.41

Finding the Fourth Proportional to 15,961.92, 23,945.73 and 5,431.41

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Solution

The fourth proportional to 15,961.92, 23,945.73 and 5,431.41 is: 8,148.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,961.92 : 23,945.73 = 5,431.41 : x
  2. Step 2: Convert to fraction form
    15,961.92/23,945.73 = 5,431.41/x
  3. Step 3: Cross multiply
    15,961.92x = 23,945.73 × 5,431.41
  4. Step 4: Simplify right side
    15,961.92x = 130,059,077.38
  5. Step 5: Solve for x
    x = 130,059,077.38/15,961.92
  6. Step 6: Final answer
    x = 8,148.08

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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.