Home / 18,576.46-27,817.11-10,247.21

Finding the Fourth Proportional to 18,576.46, 27,817.11 and 10,247.21

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Solution

The fourth proportional to 18,576.46, 27,817.11 and 10,247.21 is: 15,344.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.46 : 27,817.11 = 10,247.21 : x
  2. Step 2: Convert to fraction form
    18,576.46/27,817.11 = 10,247.21/x
  3. Step 3: Cross multiply
    18,576.46x = 27,817.11 × 10,247.21
  4. Step 4: Simplify right side
    18,576.46x = 285,047,811.69
  5. Step 5: Solve for x
    x = 285,047,811.69/18,576.46
  6. Step 6: Final answer
    x = 15,344.58

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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.