Home / 22,196.46-30,630.91-12,124.90

Finding the Fourth Proportional to 22,196.46, 30,630.91 and 12,124.90

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Solution

The fourth proportional to 22,196.46, 30,630.91 and 12,124.90 is: 16,732.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,196.46 : 30,630.91 = 12,124.90 : x
  2. Step 2: Convert to fraction form
    22,196.46/30,630.91 = 12,124.90/x
  3. Step 3: Cross multiply
    22,196.46x = 30,630.91 × 12,124.90
  4. Step 4: Simplify right side
    22,196.46x = 371,396,720.66
  5. Step 5: Solve for x
    x = 371,396,720.66/22,196.46
  6. Step 6: Final answer
    x = 16,732.25

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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.