Home / 21,935.18-32,850.04-12,546.74

Finding the Fourth Proportional to 21,935.18, 32,850.04 and 12,546.74

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Solution

The fourth proportional to 21,935.18, 32,850.04 and 12,546.74 is: 18,789.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,935.18 : 32,850.04 = 12,546.74 : x
  2. Step 2: Convert to fraction form
    21,935.18/32,850.04 = 12,546.74/x
  3. Step 3: Cross multiply
    21,935.18x = 32,850.04 × 12,546.74
  4. Step 4: Simplify right side
    21,935.18x = 412,160,910.87
  5. Step 5: Solve for x
    x = 412,160,910.87/21,935.18
  6. Step 6: Final answer
    x = 18,789.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.