Home / 13,214.27-19,819.49-4,892.87

Finding the Fourth Proportional to 13,214.27, 19,819.49 and 4,892.87

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Solution

The fourth proportional to 13,214.27, 19,819.49 and 4,892.87 is: 7,338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,214.27 : 19,819.49 = 4,892.87 : x
  2. Step 2: Convert to fraction form
    13,214.27/19,819.49 = 4,892.87/x
  3. Step 3: Cross multiply
    13,214.27x = 19,819.49 × 4,892.87
  4. Step 4: Simplify right side
    13,214.27x = 96,974,213.12
  5. Step 5: Solve for x
    x = 96,974,213.12/13,214.27
  6. Step 6: Final answer
    x = 7,338.60

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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.