Home / 12,850.23-19,231.50-10,772.58

Finding the Fourth Proportional to 12,850.23, 19,231.50 and 10,772.58

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Solution

The fourth proportional to 12,850.23, 19,231.50 and 10,772.58 is: 16,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,850.23 : 19,231.50 = 10,772.58 : x
  2. Step 2: Convert to fraction form
    12,850.23/19,231.50 = 10,772.58/x
  3. Step 3: Cross multiply
    12,850.23x = 19,231.50 × 10,772.58
  4. Step 4: Simplify right side
    12,850.23x = 207,172,872.27
  5. Step 5: Solve for x
    x = 207,172,872.27/12,850.23
  6. Step 6: Final answer
    x = 16,122.11

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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.