Home / 13,307.72-19,959.14-3,446.37

Finding the Fourth Proportional to 13,307.72, 19,959.14 and 3,446.37

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Solution

The fourth proportional to 13,307.72, 19,959.14 and 3,446.37 is: 5,168.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.72 : 19,959.14 = 3,446.37 : x
  2. Step 2: Convert to fraction form
    13,307.72/19,959.14 = 3,446.37/x
  3. Step 3: Cross multiply
    13,307.72x = 19,959.14 × 3,446.37
  4. Step 4: Simplify right side
    13,307.72x = 68,786,589.94
  5. Step 5: Solve for x
    x = 68,786,589.94/13,307.72
  6. Step 6: Final answer
    x = 5,168.93

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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.