Home / 16,469.87-22,728.20-9,396.14

Finding the Fourth Proportional to 16,469.87, 22,728.20 and 9,396.14

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Solution

The fourth proportional to 16,469.87, 22,728.20 and 9,396.14 is: 12,966.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,469.87 : 22,728.20 = 9,396.14 : x
  2. Step 2: Convert to fraction form
    16,469.87/22,728.20 = 9,396.14/x
  3. Step 3: Cross multiply
    16,469.87x = 22,728.20 × 9,396.14
  4. Step 4: Simplify right side
    16,469.87x = 213,557,188.53
  5. Step 5: Solve for x
    x = 213,557,188.53/16,469.87
  6. Step 6: Final answer
    x = 12,966.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.