Home / 13,964.82-20,941.75-5,194.95

Finding the Fourth Proportional to 13,964.82, 20,941.75 and 5,194.95

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Solution

The fourth proportional to 13,964.82, 20,941.75 and 5,194.95 is: 7,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,964.82 : 20,941.75 = 5,194.95 : x
  2. Step 2: Convert to fraction form
    13,964.82/20,941.75 = 5,194.95/x
  3. Step 3: Cross multiply
    13,964.82x = 20,941.75 × 5,194.95
  4. Step 4: Simplify right side
    13,964.82x = 108,791,344.16
  5. Step 5: Solve for x
    x = 108,791,344.16/13,964.82
  6. Step 6: Final answer
    x = 7,790.39

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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.