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Finding the Fourth Proportional to 14,614.96, 20,157.24 and 8,944.96

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Solution

The fourth proportional to 14,614.96, 20,157.24 and 8,944.96 is: 12,337.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,614.96 : 20,157.24 = 8,944.96 : x
  2. Step 2: Convert to fraction form
    14,614.96/20,157.24 = 8,944.96/x
  3. Step 3: Cross multiply
    14,614.96x = 20,157.24 × 8,944.96
  4. Step 4: Simplify right side
    14,614.96x = 180,305,705.51
  5. Step 5: Solve for x
    x = 180,305,705.51/14,614.96
  6. Step 6: Final answer
    x = 12,337.06

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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.