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Finding the Fourth Proportional to 14,687.11, 22,012.44 and 10,728.64

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Solution

The fourth proportional to 14,687.11, 22,012.44 and 10,728.64 is: 16,079.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,687.11 : 22,012.44 = 10,728.64 : x
  2. Step 2: Convert to fraction form
    14,687.11/22,012.44 = 10,728.64/x
  3. Step 3: Cross multiply
    14,687.11x = 22,012.44 × 10,728.64
  4. Step 4: Simplify right side
    14,687.11x = 236,163,544.28
  5. Step 5: Solve for x
    x = 236,163,544.28/14,687.11
  6. Step 6: Final answer
    x = 16,079.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.