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Finding the Fourth Proportional to 14,665.00, 20,238.03 and 8,694.49

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Solution

The fourth proportional to 14,665.00, 20,238.03 and 8,694.49 is: 11,998.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,665.00 : 20,238.03 = 8,694.49 : x
  2. Step 2: Convert to fraction form
    14,665.00/20,238.03 = 8,694.49/x
  3. Step 3: Cross multiply
    14,665.00x = 20,238.03 × 8,694.49
  4. Step 4: Simplify right side
    14,665.00x = 175,959,312.35
  5. Step 5: Solve for x
    x = 175,959,312.35/14,665.00
  6. Step 6: Final answer
    x = 11,998.59

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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.