Home / 13,103.65-19,658.07-3,743.75

Finding the Fourth Proportional to 13,103.65, 19,658.07 and 3,743.75

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Solution

The fourth proportional to 13,103.65, 19,658.07 and 3,743.75 is: 5,616.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103.65 : 19,658.07 = 3,743.75 : x
  2. Step 2: Convert to fraction form
    13,103.65/19,658.07 = 3,743.75/x
  3. Step 3: Cross multiply
    13,103.65x = 19,658.07 × 3,743.75
  4. Step 4: Simplify right side
    13,103.65x = 73,594,899.56
  5. Step 5: Solve for x
    x = 73,594,899.56/13,103.65
  6. Step 6: Final answer
    x = 5,616.37

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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.