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Finding the Fourth Proportional to 19,195.87, 26,491.11 and 10,698

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Solution

The fourth proportional to 19,195.87, 26,491.11 and 10,698 is: 14,763.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.87 : 26,491.11 = 10,698 : x
  2. Step 2: Convert to fraction form
    19,195.87/26,491.11 = 10,698/x
  3. Step 3: Cross multiply
    19,195.87x = 26,491.11 × 10,698
  4. Step 4: Simplify right side
    19,195.87x = 283,401,894.78
  5. Step 5: Solve for x
    x = 283,401,894.78/19,195.87
  6. Step 6: Final answer
    x = 14,763.69

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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.