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Finding the Fourth Proportional to 18,833.87, 28,250.80 and 14,676.99

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Solution

The fourth proportional to 18,833.87, 28,250.80 and 14,676.99 is: 22,015.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.87 : 28,250.80 = 14,676.99 : x
  2. Step 2: Convert to fraction form
    18,833.87/28,250.80 = 14,676.99/x
  3. Step 3: Cross multiply
    18,833.87x = 28,250.80 × 14,676.99
  4. Step 4: Simplify right side
    18,833.87x = 414,636,531.15
  5. Step 5: Solve for x
    x = 414,636,531.15/18,833.87
  6. Step 6: Final answer
    x = 22,015.48

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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.