Home / 22,331.60-30,817.94-12,260.97

Finding the Fourth Proportional to 22,331.60, 30,817.94 and 12,260.97

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Solution

The fourth proportional to 22,331.60, 30,817.94 and 12,260.97 is: 16,920.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,331.60 : 30,817.94 = 12,260.97 : x
  2. Step 2: Convert to fraction form
    22,331.60/30,817.94 = 12,260.97/x
  3. Step 3: Cross multiply
    22,331.60x = 30,817.94 × 12,260.97
  4. Step 4: Simplify right side
    22,331.60x = 377,857,776.50
  5. Step 5: Solve for x
    x = 377,857,776.50/22,331.60
  6. Step 6: Final answer
    x = 16,920.32

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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.