Home / 15,942.78-23,896.62-6,577.68

Finding the Fourth Proportional to 15,942.78, 23,896.62 and 6,577.68

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Solution

The fourth proportional to 15,942.78, 23,896.62 and 6,577.68 is: 9,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,942.78 : 23,896.62 = 6,577.68 : x
  2. Step 2: Convert to fraction form
    15,942.78/23,896.62 = 6,577.68/x
  3. Step 3: Cross multiply
    15,942.78x = 23,896.62 × 6,577.68
  4. Step 4: Simplify right side
    15,942.78x = 157,184,319.44
  5. Step 5: Solve for x
    x = 157,184,319.44/15,942.78
  6. Step 6: Final answer
    x = 9,859.28

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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.