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Finding the Fourth Proportional to 16,063.14, 22,168.14 and 8,990.12

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Solution

The fourth proportional to 16,063.14, 22,168.14 and 8,990.12 is: 12,406.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,063.14 : 22,168.14 = 8,990.12 : x
  2. Step 2: Convert to fraction form
    16,063.14/22,168.14 = 8,990.12/x
  3. Step 3: Cross multiply
    16,063.14x = 22,168.14 × 8,990.12
  4. Step 4: Simplify right side
    16,063.14x = 199,294,238.78
  5. Step 5: Solve for x
    x = 199,294,238.78/16,063.14
  6. Step 6: Final answer
    x = 12,406.93

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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.