Home / 15,072.72-22,576.20-9,211.56

Finding the Fourth Proportional to 15,072.72, 22,576.20 and 9,211.56

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Solution

The fourth proportional to 15,072.72, 22,576.20 and 9,211.56 is: 13,797.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072.72 : 22,576.20 = 9,211.56 : x
  2. Step 2: Convert to fraction form
    15,072.72/22,576.20 = 9,211.56/x
  3. Step 3: Cross multiply
    15,072.72x = 22,576.20 × 9,211.56
  4. Step 4: Simplify right side
    15,072.72x = 207,962,020.87
  5. Step 5: Solve for x
    x = 207,962,020.87/15,072.72
  6. Step 6: Final answer
    x = 13,797.25

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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.