Home / 15,174.54-22,771.50-7,379.10

Finding the Fourth Proportional to 15,174.54, 22,771.50 and 7,379.10

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Solution

The fourth proportional to 15,174.54, 22,771.50 and 7,379.10 is: 11,073.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174.54 : 22,771.50 = 7,379.10 : x
  2. Step 2: Convert to fraction form
    15,174.54/22,771.50 = 7,379.10/x
  3. Step 3: Cross multiply
    15,174.54x = 22,771.50 × 7,379.10
  4. Step 4: Simplify right side
    15,174.54x = 168,033,175.65
  5. Step 5: Solve for x
    x = 168,033,175.65/15,174.54
  6. Step 6: Final answer
    x = 11,073.36

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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.