Home / 15,983.38-22,058.16-8,910.94

Finding the Fourth Proportional to 15,983.38, 22,058.16 and 8,910.94

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Solution

The fourth proportional to 15,983.38, 22,058.16 and 8,910.94 is: 12,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.38 : 22,058.16 = 8,910.94 : x
  2. Step 2: Convert to fraction form
    15,983.38/22,058.16 = 8,910.94/x
  3. Step 3: Cross multiply
    15,983.38x = 22,058.16 × 8,910.94
  4. Step 4: Simplify right side
    15,983.38x = 196,558,940.27
  5. Step 5: Solve for x
    x = 196,558,940.27/15,983.38
  6. Step 6: Final answer
    x = 12,297.71

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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.