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Finding the Fourth Proportional to 14,994.59, 20,694.37 and 8,706.97

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Solution

The fourth proportional to 14,994.59, 20,694.37 and 8,706.97 is: 12,016.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,994.59 : 20,694.37 = 8,706.97 : x
  2. Step 2: Convert to fraction form
    14,994.59/20,694.37 = 8,706.97/x
  3. Step 3: Cross multiply
    14,994.59x = 20,694.37 × 8,706.97
  4. Step 4: Simplify right side
    14,994.59x = 180,185,258.76
  5. Step 5: Solve for x
    x = 180,185,258.76/14,994.59
  6. Step 6: Final answer
    x = 12,016.68

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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.