Home / 13,791.36-20,687.04-5,026.26

Finding the Fourth Proportional to 13,791.36, 20,687.04 and 5,026.26

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Solution

The fourth proportional to 13,791.36, 20,687.04 and 5,026.26 is: 7,539.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.36 : 20,687.04 = 5,026.26 : x
  2. Step 2: Convert to fraction form
    13,791.36/20,687.04 = 5,026.26/x
  3. Step 3: Cross multiply
    13,791.36x = 20,687.04 × 5,026.26
  4. Step 4: Simplify right side
    13,791.36x = 103,978,441.67
  5. Step 5: Solve for x
    x = 103,978,441.67/13,791.36
  6. Step 6: Final answer
    x = 7,539.39

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1.5x scale

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.