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Finding the Fourth Proportional to 14,950.00, 20,630.73 and 8,236.25

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Solution

The fourth proportional to 14,950.00, 20,630.73 and 8,236.25 is: 11,365.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,950.00 : 20,630.73 = 8,236.25 : x
  2. Step 2: Convert to fraction form
    14,950.00/20,630.73 = 8,236.25/x
  3. Step 3: Cross multiply
    14,950.00x = 20,630.73 × 8,236.25
  4. Step 4: Simplify right side
    14,950.00x = 169,919,785.57
  5. Step 5: Solve for x
    x = 169,919,785.57/14,950.00
  6. Step 6: Final answer
    x = 11,365.87

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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.