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Finding the Fourth Proportional to 16,390.14, 22,704.06 and 16,057.99

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Solution

The fourth proportional to 16,390.14, 22,704.06 and 16,057.99 is: 22,243.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,390.14 : 22,704.06 = 16,057.99 : x
  2. Step 2: Convert to fraction form
    16,390.14/22,704.06 = 16,057.99/x
  3. Step 3: Cross multiply
    16,390.14x = 22,704.06 × 16,057.99
  4. Step 4: Simplify right side
    16,390.14x = 364,581,568.44
  5. Step 5: Solve for x
    x = 364,581,568.44/16,390.14
  6. Step 6: Final answer
    x = 22,243.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.