Home / 22,319.96-33,479.02-9,172

Finding the Fourth Proportional to 22,319.96, 33,479.02 and 9,172

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Solution

The fourth proportional to 22,319.96, 33,479.02 and 9,172 is: 13,757.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.96 : 33,479.02 = 9,172 : x
  2. Step 2: Convert to fraction form
    22,319.96/33,479.02 = 9,172/x
  3. Step 3: Cross multiply
    22,319.96x = 33,479.02 × 9,172
  4. Step 4: Simplify right side
    22,319.96x = 307,069,571.44
  5. Step 5: Solve for x
    x = 307,069,571.44/22,319.96
  6. Step 6: Final answer
    x = 13,757.62

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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.