Home / 13,819.76-19,082.52-11,267.96

Finding the Fourth Proportional to 13,819.76, 19,082.52 and 11,267.96

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Solution

The fourth proportional to 13,819.76, 19,082.52 and 11,267.96 is: 15,558.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,819.76 : 19,082.52 = 11,267.96 : x
  2. Step 2: Convert to fraction form
    13,819.76/19,082.52 = 11,267.96/x
  3. Step 3: Cross multiply
    13,819.76x = 19,082.52 × 11,267.96
  4. Step 4: Simplify right side
    13,819.76x = 215,021,072.06
  5. Step 5: Solve for x
    x = 215,021,072.06/13,819.76
  6. Step 6: Final answer
    x = 15,558.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.