Home / 19,174.76-28,766.46-7,491.32

Finding the Fourth Proportional to 19,174.76, 28,766.46 and 7,491.32

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Solution

The fourth proportional to 19,174.76, 28,766.46 and 7,491.32 is: 11,238.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,174.76 : 28,766.46 = 7,491.32 : x
  2. Step 2: Convert to fraction form
    19,174.76/28,766.46 = 7,491.32/x
  3. Step 3: Cross multiply
    19,174.76x = 28,766.46 × 7,491.32
  4. Step 4: Simplify right side
    19,174.76x = 215,498,757.13
  5. Step 5: Solve for x
    x = 215,498,757.13/19,174.76
  6. Step 6: Final answer
    x = 11,238.67

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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.