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Finding the Fourth Proportional to 14,906.60, 22,251.09 and 12,813.80

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Solution

The fourth proportional to 14,906.60, 22,251.09 and 12,813.80 is: 19,127.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906.60 : 22,251.09 = 12,813.80 : x
  2. Step 2: Convert to fraction form
    14,906.60/22,251.09 = 12,813.80/x
  3. Step 3: Cross multiply
    14,906.60x = 22,251.09 × 12,813.80
  4. Step 4: Simplify right side
    14,906.60x = 285,121,017.04
  5. Step 5: Solve for x
    x = 285,121,017.04/14,906.60
  6. Step 6: Final answer
    x = 19,127.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.