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Finding the Fourth Proportional to 14,482.80, 19,960.83 and 11,949.93

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Solution

The fourth proportional to 14,482.80, 19,960.83 and 11,949.93 is: 16,469.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.80 : 19,960.83 = 11,949.93 : x
  2. Step 2: Convert to fraction form
    14,482.80/19,960.83 = 11,949.93/x
  3. Step 3: Cross multiply
    14,482.80x = 19,960.83 × 11,949.93
  4. Step 4: Simplify right side
    14,482.80x = 238,530,521.24
  5. Step 5: Solve for x
    x = 238,530,521.24/14,482.80
  6. Step 6: Final answer
    x = 16,469.92

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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.