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Finding the Fourth Proportional to 14,994.60, 20,701.06 and 9,965.48

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Solution

The fourth proportional to 14,994.60, 20,701.06 and 9,965.48 is: 13,758.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,994.60 : 20,701.06 = 9,965.48 : x
  2. Step 2: Convert to fraction form
    14,994.60/20,701.06 = 9,965.48/x
  3. Step 3: Cross multiply
    14,994.60x = 20,701.06 × 9,965.48
  4. Step 4: Simplify right side
    14,994.60x = 206,295,999.41
  5. Step 5: Solve for x
    x = 206,295,999.41/14,994.60
  6. Step 6: Final answer
    x = 13,758.02

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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.