Home / 15,817.20-23,720.19-6,936.83

Finding the Fourth Proportional to 15,817.20, 23,720.19 and 6,936.83

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Solution

The fourth proportional to 15,817.20, 23,720.19 and 6,936.83 is: 10,402.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,817.20 : 23,720.19 = 6,936.83 : x
  2. Step 2: Convert to fraction form
    15,817.20/23,720.19 = 6,936.83/x
  3. Step 3: Cross multiply
    15,817.20x = 23,720.19 × 6,936.83
  4. Step 4: Simplify right side
    15,817.20x = 164,542,807.00
  5. Step 5: Solve for x
    x = 164,542,807.00/15,817.20
  6. Step 6: Final answer
    x = 10,402.78

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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.