Home / 20,283.66-30,428.73-8,596.98

Finding the Fourth Proportional to 20,283.66, 30,428.73 and 8,596.98

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Solution

The fourth proportional to 20,283.66, 30,428.73 and 8,596.98 is: 12,896.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,283.66 : 30,428.73 = 8,596.98 : x
  2. Step 2: Convert to fraction form
    20,283.66/30,428.73 = 8,596.98/x
  3. Step 3: Cross multiply
    20,283.66x = 30,428.73 × 8,596.98
  4. Step 4: Simplify right side
    20,283.66x = 261,595,183.24
  5. Step 5: Solve for x
    x = 261,595,183.24/20,283.66
  6. Step 6: Final answer
    x = 12,896.84

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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.