Home / 15,558.35-23,318.68-11,166.73

Finding the Fourth Proportional to 15,558.35, 23,318.68 and 11,166.73

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Solution

The fourth proportional to 15,558.35, 23,318.68 and 11,166.73 is: 16,736.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,558.35 : 23,318.68 = 11,166.73 : x
  2. Step 2: Convert to fraction form
    15,558.35/23,318.68 = 11,166.73/x
  3. Step 3: Cross multiply
    15,558.35x = 23,318.68 × 11,166.73
  4. Step 4: Simplify right side
    15,558.35x = 260,393,375.60
  5. Step 5: Solve for x
    x = 260,393,375.60/15,558.35
  6. Step 6: Final answer
    x = 16,736.57

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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.