Home / 15,791.63-23,679.51-5,257.92

Finding the Fourth Proportional to 15,791.63, 23,679.51 and 5,257.92

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Solution

The fourth proportional to 15,791.63, 23,679.51 and 5,257.92 is: 7,884.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,791.63 : 23,679.51 = 5,257.92 : x
  2. Step 2: Convert to fraction form
    15,791.63/23,679.51 = 5,257.92/x
  3. Step 3: Cross multiply
    15,791.63x = 23,679.51 × 5,257.92
  4. Step 4: Simplify right side
    15,791.63x = 124,505,038.30
  5. Step 5: Solve for x
    x = 124,505,038.30/15,791.63
  6. Step 6: Final answer
    x = 7,884.24

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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.