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Finding the Fourth Proportional to 14,674.72, 20,227.44 and 12,017.44

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Solution

The fourth proportional to 14,674.72, 20,227.44 and 12,017.44 is: 16,564.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,674.72 : 20,227.44 = 12,017.44 : x
  2. Step 2: Convert to fraction form
    14,674.72/20,227.44 = 12,017.44/x
  3. Step 3: Cross multiply
    14,674.72x = 20,227.44 × 12,017.44
  4. Step 4: Simplify right side
    14,674.72x = 243,082,046.55
  5. Step 5: Solve for x
    x = 243,082,046.55/14,674.72
  6. Step 6: Final answer
    x = 16,564.68

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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.