Home / 22,175.70-30,601.16-12,102.12

Finding the Fourth Proportional to 22,175.70, 30,601.16 and 12,102.12

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Solution

The fourth proportional to 22,175.70, 30,601.16 and 12,102.12 is: 16,700.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,175.70 : 30,601.16 = 12,102.12 : x
  2. Step 2: Convert to fraction form
    22,175.70/30,601.16 = 12,102.12/x
  3. Step 3: Cross multiply
    22,175.70x = 30,601.16 × 12,102.12
  4. Step 4: Simplify right side
    22,175.70x = 370,338,757.45
  5. Step 5: Solve for x
    x = 370,338,757.45/22,175.70
  6. Step 6: Final answer
    x = 16,700.21

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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.