Home / 19,865.72-27,414.60-10,791.01

Finding the Fourth Proportional to 19,865.72, 27,414.60 and 10,791.01

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Solution

The fourth proportional to 19,865.72, 27,414.60 and 10,791.01 is: 14,891.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865.72 : 27,414.60 = 10,791.01 : x
  2. Step 2: Convert to fraction form
    19,865.72/27,414.60 = 10,791.01/x
  3. Step 3: Cross multiply
    19,865.72x = 27,414.60 × 10,791.01
  4. Step 4: Simplify right side
    19,865.72x = 295,831,168.79
  5. Step 5: Solve for x
    x = 295,831,168.79/19,865.72
  6. Step 6: Final answer
    x = 14,891.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.