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Finding the Fourth Proportional to 14,899.92, 20,561.81 and 8,093.88

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Solution

The fourth proportional to 14,899.92, 20,561.81 and 8,093.88 is: 11,169.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.92 : 20,561.81 = 8,093.88 : x
  2. Step 2: Convert to fraction form
    14,899.92/20,561.81 = 8,093.88/x
  3. Step 3: Cross multiply
    14,899.92x = 20,561.81 × 8,093.88
  4. Step 4: Simplify right side
    14,899.92x = 166,424,822.72
  5. Step 5: Solve for x
    x = 166,424,822.72/14,899.92
  6. Step 6: Final answer
    x = 11,169.51

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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.