Home / 22,331.38-30,817.71-12,260.77

Finding the Fourth Proportional to 22,331.38, 30,817.71 and 12,260.77

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Solution

The fourth proportional to 22,331.38, 30,817.71 and 12,260.77 is: 16,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,331.38 : 30,817.71 = 12,260.77 : x
  2. Step 2: Convert to fraction form
    22,331.38/30,817.71 = 12,260.77/x
  3. Step 3: Cross multiply
    22,331.38x = 30,817.71 × 12,260.77
  4. Step 4: Simplify right side
    22,331.38x = 377,848,854.24
  5. Step 5: Solve for x
    x = 377,848,854.24/22,331.38
  6. Step 6: Final answer
    x = 16,920.09

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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.