Home / 13,174.72-19,764.96-3,941.44

Finding the Fourth Proportional to 13,174.72, 19,764.96 and 3,941.44

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Solution

The fourth proportional to 13,174.72, 19,764.96 and 3,941.44 is: 5,913.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.72 : 19,764.96 = 3,941.44 : x
  2. Step 2: Convert to fraction form
    13,174.72/19,764.96 = 3,941.44/x
  3. Step 3: Cross multiply
    13,174.72x = 19,764.96 × 3,941.44
  4. Step 4: Simplify right side
    13,174.72x = 77,902,403.94
  5. Step 5: Solve for x
    x = 77,902,403.94/13,174.72
  6. Step 6: Final answer
    x = 5,913.02

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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.