Home / 19,212.62-28,815.30-6,563

Finding the Fourth Proportional to 19,212.62, 28,815.30 and 6,563

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Solution

The fourth proportional to 19,212.62, 28,815.30 and 6,563 is: 9,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212.62 : 28,815.30 = 6,563 : x
  2. Step 2: Convert to fraction form
    19,212.62/28,815.30 = 6,563/x
  3. Step 3: Cross multiply
    19,212.62x = 28,815.30 × 6,563
  4. Step 4: Simplify right side
    19,212.62x = 189,114,813.90
  5. Step 5: Solve for x
    x = 189,114,813.90/19,212.62
  6. Step 6: Final answer
    x = 9,843.26

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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.