Home / 19,247.52-28,872.96-5,396.64

Finding the Fourth Proportional to 19,247.52, 28,872.96 and 5,396.64

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Solution

The fourth proportional to 19,247.52, 28,872.96 and 5,396.64 is: 8,095.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,247.52 : 28,872.96 = 5,396.64 : x
  2. Step 2: Convert to fraction form
    19,247.52/28,872.96 = 5,396.64/x
  3. Step 3: Cross multiply
    19,247.52x = 28,872.96 × 5,396.64
  4. Step 4: Simplify right side
    19,247.52x = 155,816,970.85
  5. Step 5: Solve for x
    x = 155,816,970.85/19,247.52
  6. Step 6: Final answer
    x = 8,095.43

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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.