Home / 15,865.77-23,796.33-4,178.97

Finding the Fourth Proportional to 15,865.77, 23,796.33 and 4,178.97

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Solution

The fourth proportional to 15,865.77, 23,796.33 and 4,178.97 is: 6,267.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,865.77 : 23,796.33 = 4,178.97 : x
  2. Step 2: Convert to fraction form
    15,865.77/23,796.33 = 4,178.97/x
  3. Step 3: Cross multiply
    15,865.77x = 23,796.33 × 4,178.97
  4. Step 4: Simplify right side
    15,865.77x = 99,444,149.18
  5. Step 5: Solve for x
    x = 99,444,149.18/15,865.77
  6. Step 6: Final answer
    x = 6,267.84

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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.