Home / 18,099.04-27,148.92-8,231.44

Finding the Fourth Proportional to 18,099.04, 27,148.92 and 8,231.44

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Solution

The fourth proportional to 18,099.04, 27,148.92 and 8,231.44 is: 12,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.04 : 27,148.92 = 8,231.44 : x
  2. Step 2: Convert to fraction form
    18,099.04/27,148.92 = 8,231.44/x
  3. Step 3: Cross multiply
    18,099.04x = 27,148.92 × 8,231.44
  4. Step 4: Simplify right side
    18,099.04x = 223,474,706.04
  5. Step 5: Solve for x
    x = 223,474,706.04/18,099.04
  6. Step 6: Final answer
    x = 12,347.32

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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.