Home / 22,234.78-30,683.97-12,163.18

Finding the Fourth Proportional to 22,234.78, 30,683.97 and 12,163.18

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Solution

The fourth proportional to 22,234.78, 30,683.97 and 12,163.18 is: 16,785.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,234.78 : 30,683.97 = 12,163.18 : x
  2. Step 2: Convert to fraction form
    22,234.78/30,683.97 = 12,163.18/x
  3. Step 3: Cross multiply
    22,234.78x = 30,683.97 × 12,163.18
  4. Step 4: Simplify right side
    22,234.78x = 373,214,573.51
  5. Step 5: Solve for x
    x = 373,214,573.51/22,234.78
  6. Step 6: Final answer
    x = 16,785.17

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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.