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Finding the Fourth Proportional to 14,446.64, 19,936.08 and 8,073.29

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Solution

The fourth proportional to 14,446.64, 19,936.08 and 8,073.29 is: 11,140.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,446.64 : 19,936.08 = 8,073.29 : x
  2. Step 2: Convert to fraction form
    14,446.64/19,936.08 = 8,073.29/x
  3. Step 3: Cross multiply
    14,446.64x = 19,936.08 × 8,073.29
  4. Step 4: Simplify right side
    14,446.64x = 160,949,755.30
  5. Step 5: Solve for x
    x = 160,949,755.30/14,446.64
  6. Step 6: Final answer
    x = 11,140.98

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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.