Home / 20,586.11-30,880.83-5,796.22

Finding the Fourth Proportional to 20,586.11, 30,880.83 and 5,796.22

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Solution

The fourth proportional to 20,586.11, 30,880.83 and 5,796.22 is: 8,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,586.11 : 30,880.83 = 5,796.22 : x
  2. Step 2: Convert to fraction form
    20,586.11/30,880.83 = 5,796.22/x
  3. Step 3: Cross multiply
    20,586.11x = 30,880.83 × 5,796.22
  4. Step 4: Simplify right side
    20,586.11x = 178,992,084.46
  5. Step 5: Solve for x
    x = 178,992,084.46/20,586.11
  6. Step 6: Final answer
    x = 8,694.80

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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.