Home / 22,433.91-30,957.81-12,866.97

Finding the Fourth Proportional to 22,433.91, 30,957.81 and 12,866.97

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Solution

The fourth proportional to 22,433.91, 30,957.81 and 12,866.97 is: 17,755.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,433.91 : 30,957.81 = 12,866.97 : x
  2. Step 2: Convert to fraction form
    22,433.91/30,957.81 = 12,866.97/x
  3. Step 3: Cross multiply
    22,433.91x = 30,957.81 × 12,866.97
  4. Step 4: Simplify right side
    22,433.91x = 398,333,212.54
  5. Step 5: Solve for x
    x = 398,333,212.54/22,433.91
  6. Step 6: Final answer
    x = 17,755.85

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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.