Home / 20,055.66-27,674.91-11,670.54

Finding the Fourth Proportional to 20,055.66, 27,674.91 and 11,670.54

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Solution

The fourth proportional to 20,055.66, 27,674.91 and 11,670.54 is: 16,104.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.66 : 27,674.91 = 11,670.54 : x
  2. Step 2: Convert to fraction form
    20,055.66/27,674.91 = 11,670.54/x
  3. Step 3: Cross multiply
    20,055.66x = 27,674.91 × 11,670.54
  4. Step 4: Simplify right side
    20,055.66x = 322,981,144.15
  5. Step 5: Solve for x
    x = 322,981,144.15/20,055.66
  6. Step 6: Final answer
    x = 16,104.24

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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.