Home / 13,834.21-20,747.26-5,511.46

Finding the Fourth Proportional to 13,834.21, 20,747.26 and 5,511.46

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Solution

The fourth proportional to 13,834.21, 20,747.26 and 5,511.46 is: 8,265.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.21 : 20,747.26 = 5,511.46 : x
  2. Step 2: Convert to fraction form
    13,834.21/20,747.26 = 5,511.46/x
  3. Step 3: Cross multiply
    13,834.21x = 20,747.26 × 5,511.46
  4. Step 4: Simplify right side
    13,834.21x = 114,347,693.60
  5. Step 5: Solve for x
    x = 114,347,693.60/13,834.21
  6. Step 6: Final answer
    x = 8,265.57

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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.