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Finding the Fourth Proportional to 14,654.40, 21,997.80 and 8,093.40

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Solution

The fourth proportional to 14,654.40, 21,997.80 and 8,093.40 is: 12,149.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.40 : 21,997.80 = 8,093.40 : x
  2. Step 2: Convert to fraction form
    14,654.40/21,997.80 = 8,093.40/x
  3. Step 3: Cross multiply
    14,654.40x = 21,997.80 × 8,093.40
  4. Step 4: Simplify right side
    14,654.40x = 178,036,994.52
  5. Step 5: Solve for x
    x = 178,036,994.52/14,654.40
  6. Step 6: Final answer
    x = 12,149.05

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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.