Home / 13,858.83-20,791.26-5,094.36

Finding the Fourth Proportional to 13,858.83, 20,791.26 and 5,094.36

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Solution

The fourth proportional to 13,858.83, 20,791.26 and 5,094.36 is: 7,642.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.83 : 20,791.26 = 5,094.36 : x
  2. Step 2: Convert to fraction form
    13,858.83/20,791.26 = 5,094.36/x
  3. Step 3: Cross multiply
    13,858.83x = 20,791.26 × 5,094.36
  4. Step 4: Simplify right side
    13,858.83x = 105,918,163.29
  5. Step 5: Solve for x
    x = 105,918,163.29/13,858.83
  6. Step 6: Final answer
    x = 7,642.65

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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.