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Finding the Fourth Proportional to 14,814.56, 20,439.96 and 8,844.05

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Solution

The fourth proportional to 14,814.56, 20,439.96 and 8,844.05 is: 12,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,814.56 : 20,439.96 = 8,844.05 : x
  2. Step 2: Convert to fraction form
    14,814.56/20,439.96 = 8,844.05/x
  3. Step 3: Cross multiply
    14,814.56x = 20,439.96 × 8,844.05
  4. Step 4: Simplify right side
    14,814.56x = 180,771,926.04
  5. Step 5: Solve for x
    x = 180,771,926.04/14,814.56
  6. Step 6: Final answer
    x = 12,202.32

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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.