Home / 13,913.26-19,195.72-7,943.76

Finding the Fourth Proportional to 13,913.26, 19,195.72 and 7,943.76

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Solution

The fourth proportional to 13,913.26, 19,195.72 and 7,943.76 is: 10,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,913.26 : 19,195.72 = 7,943.76 : x
  2. Step 2: Convert to fraction form
    13,913.26/19,195.72 = 7,943.76/x
  3. Step 3: Cross multiply
    13,913.26x = 19,195.72 × 7,943.76
  4. Step 4: Simplify right side
    13,913.26x = 152,486,172.85
  5. Step 5: Solve for x
    x = 152,486,172.85/13,913.26
  6. Step 6: Final answer
    x = 10,959.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.