Home / 13,791.36-20,691.36-5,024.64

Finding the Fourth Proportional to 13,791.36, 20,691.36 and 5,024.64

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Solution

The fourth proportional to 13,791.36, 20,691.36 and 5,024.64 is: 7,538.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.36 : 20,691.36 = 5,024.64 : x
  2. Step 2: Convert to fraction form
    13,791.36/20,691.36 = 5,024.64/x
  3. Step 3: Cross multiply
    13,791.36x = 20,691.36 × 5,024.64
  4. Step 4: Simplify right side
    13,791.36x = 103,966,635.11
  5. Step 5: Solve for x
    x = 103,966,635.11/13,791.36
  6. Step 6: Final answer
    x = 7,538.53

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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.