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Finding the Fourth Proportional to 16,922.07, 25,368.53 and 8,163.14

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Solution

The fourth proportional to 16,922.07, 25,368.53 and 8,163.14 is: 12,237.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,922.07 : 25,368.53 = 8,163.14 : x
  2. Step 2: Convert to fraction form
    16,922.07/25,368.53 = 8,163.14/x
  3. Step 3: Cross multiply
    16,922.07x = 25,368.53 × 8,163.14
  4. Step 4: Simplify right side
    16,922.07x = 207,086,694.33
  5. Step 5: Solve for x
    x = 207,086,694.33/16,922.07
  6. Step 6: Final answer
    x = 12,237.67

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1.5x scale

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.