Home / 13,789.96-20,685.98-9,450.44

Finding the Fourth Proportional to 13,789.96, 20,685.98 and 9,450.44

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Solution

The fourth proportional to 13,789.96, 20,685.98 and 9,450.44 is: 14,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.96 : 20,685.98 = 9,450.44 : x
  2. Step 2: Convert to fraction form
    13,789.96/20,685.98 = 9,450.44/x
  3. Step 3: Cross multiply
    13,789.96x = 20,685.98 × 9,450.44
  4. Step 4: Simplify right side
    13,789.96x = 195,491,612.83
  5. Step 5: Solve for x
    x = 195,491,612.83/13,789.96
  6. Step 6: Final answer
    x = 14,176.37

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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.