Home / 22,206.14-30,644.10-12,134.36

Finding the Fourth Proportional to 22,206.14, 30,644.10 and 12,134.36

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Solution

The fourth proportional to 22,206.14, 30,644.10 and 12,134.36 is: 16,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,206.14 : 30,644.10 = 12,134.36 : x
  2. Step 2: Convert to fraction form
    22,206.14/30,644.10 = 12,134.36/x
  3. Step 3: Cross multiply
    22,206.14x = 30,644.10 × 12,134.36
  4. Step 4: Simplify right side
    22,206.14x = 371,846,464.67
  5. Step 5: Solve for x
    x = 371,846,464.67/22,206.14
  6. Step 6: Final answer
    x = 16,745.21

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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.