Home / 20,058.66-27,680.74-11,105.94

Finding the Fourth Proportional to 20,058.66, 27,680.74 and 11,105.94

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Solution

The fourth proportional to 20,058.66, 27,680.74 and 11,105.94 is: 15,326.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,058.66 : 27,680.74 = 11,105.94 : x
  2. Step 2: Convert to fraction form
    20,058.66/27,680.74 = 11,105.94/x
  3. Step 3: Cross multiply
    20,058.66x = 27,680.74 × 11,105.94
  4. Step 4: Simplify right side
    20,058.66x = 307,420,480.08
  5. Step 5: Solve for x
    x = 307,420,480.08/20,058.66
  6. Step 6: Final answer
    x = 15,326.07

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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.