Home / 22,299.10-30,772.32-12,227.56

Finding the Fourth Proportional to 22,299.10, 30,772.32 and 12,227.56

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Solution

The fourth proportional to 22,299.10, 30,772.32 and 12,227.56 is: 16,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,299.10 : 30,772.32 = 12,227.56 : x
  2. Step 2: Convert to fraction form
    22,299.10/30,772.32 = 12,227.56/x
  3. Step 3: Cross multiply
    22,299.10x = 30,772.32 × 12,227.56
  4. Step 4: Simplify right side
    22,299.10x = 376,270,389.14
  5. Step 5: Solve for x
    x = 376,270,389.14/22,299.10
  6. Step 6: Final answer
    x = 16,873.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.