Home / 15,786.78-23,687.46-7,027.44

Finding the Fourth Proportional to 15,786.78, 23,687.46 and 7,027.44

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Solution

The fourth proportional to 15,786.78, 23,687.46 and 7,027.44 is: 10,544.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,786.78 : 23,687.46 = 7,027.44 : x
  2. Step 2: Convert to fraction form
    15,786.78/23,687.46 = 7,027.44/x
  3. Step 3: Cross multiply
    15,786.78x = 23,687.46 × 7,027.44
  4. Step 4: Simplify right side
    15,786.78x = 166,462,203.90
  5. Step 5: Solve for x
    x = 166,462,203.90/15,786.78
  6. Step 6: Final answer
    x = 10,544.41

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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.