Home / 15,865.38-23,796.18-4,179.51

Finding the Fourth Proportional to 15,865.38, 23,796.18 and 4,179.51

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Solution

The fourth proportional to 15,865.38, 23,796.18 and 4,179.51 is: 6,268.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.38 : 23,796.18 = 4,179.51 : x
  2. Step 2: Convert to fraction form
    15,865.38/23,796.18 = 4,179.51/x
  3. Step 3: Cross multiply
    15,865.38x = 23,796.18 × 4,179.51
  4. Step 4: Simplify right side
    15,865.38x = 99,456,372.27
  5. Step 5: Solve for x
    x = 99,456,372.27/15,865.38
  6. Step 6: Final answer
    x = 6,268.77

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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.