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Finding the Fourth Proportional to 16,266.21, 22,447.35 and 8,814.21

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Solution

The fourth proportional to 16,266.21, 22,447.35 and 8,814.21 is: 12,163.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,266.21 : 22,447.35 = 8,814.21 : x
  2. Step 2: Convert to fraction form
    16,266.21/22,447.35 = 8,814.21/x
  3. Step 3: Cross multiply
    16,266.21x = 22,447.35 × 8,814.21
  4. Step 4: Simplify right side
    16,266.21x = 197,855,656.84
  5. Step 5: Solve for x
    x = 197,855,656.84/16,266.21
  6. Step 6: Final answer
    x = 12,163.60

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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.