Home / 14,105.52-21,159.09-3,717

Finding the Fourth Proportional to 14,105.52, 21,159.09 and 3,717

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Solution

The fourth proportional to 14,105.52, 21,159.09 and 3,717 is: 5,575.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.52 : 21,159.09 = 3,717 : x
  2. Step 2: Convert to fraction form
    14,105.52/21,159.09 = 3,717/x
  3. Step 3: Cross multiply
    14,105.52x = 21,159.09 × 3,717
  4. Step 4: Simplify right side
    14,105.52x = 78,648,337.53
  5. Step 5: Solve for x
    x = 78,648,337.53/14,105.52
  6. Step 6: Final answer
    x = 5,575.71

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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.