Home / 13,212.26-19,821.44-4,446.96

Finding the Fourth Proportional to 13,212.26, 19,821.44 and 4,446.96

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Solution

The fourth proportional to 13,212.26, 19,821.44 and 4,446.96 is: 6,671.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.26 : 19,821.44 = 4,446.96 : x
  2. Step 2: Convert to fraction form
    13,212.26/19,821.44 = 4,446.96/x
  3. Step 3: Cross multiply
    13,212.26x = 19,821.44 × 4,446.96
  4. Step 4: Simplify right side
    13,212.26x = 88,145,150.82
  5. Step 5: Solve for x
    x = 88,145,150.82/13,212.26
  6. Step 6: Final answer
    x = 6,671.47

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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.