Home / 14,106.26-21,161.82-4,747.16

Finding the Fourth Proportional to 14,106.26, 21,161.82 and 4,747.16

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Solution

The fourth proportional to 14,106.26, 21,161.82 and 4,747.16 is: 7,121.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,106.26 : 21,161.82 = 4,747.16 : x
  2. Step 2: Convert to fraction form
    14,106.26/21,161.82 = 4,747.16/x
  3. Step 3: Cross multiply
    14,106.26x = 21,161.82 × 4,747.16
  4. Step 4: Simplify right side
    14,106.26x = 100,458,545.43
  5. Step 5: Solve for x
    x = 100,458,545.43/14,106.26
  6. Step 6: Final answer
    x = 7,121.56

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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.