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Finding the Fourth Proportional to 18,550.68, 27,835.25 and 14,806.30

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Solution

The fourth proportional to 18,550.68, 27,835.25 and 14,806.30 is: 22,216.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.68 : 27,835.25 = 14,806.30 : x
  2. Step 2: Convert to fraction form
    18,550.68/27,835.25 = 14,806.30/x
  3. Step 3: Cross multiply
    18,550.68x = 27,835.25 × 14,806.30
  4. Step 4: Simplify right side
    18,550.68x = 412,136,848.87
  5. Step 5: Solve for x
    x = 412,136,848.87/18,550.68
  6. Step 6: Final answer
    x = 22,216.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.