Home / 20,054.20-27,674.71-11,102.23

Finding the Fourth Proportional to 20,054.20, 27,674.71 and 11,102.23

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Solution

The fourth proportional to 20,054.20, 27,674.71 and 11,102.23 is: 15,321.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.20 : 27,674.71 = 11,102.23 : x
  2. Step 2: Convert to fraction form
    20,054.20/27,674.71 = 11,102.23/x
  3. Step 3: Cross multiply
    20,054.20x = 27,674.71 × 11,102.23
  4. Step 4: Simplify right side
    20,054.20x = 307,251,064.89
  5. Step 5: Solve for x
    x = 307,251,064.89/20,054.20
  6. Step 6: Final answer
    x = 15,321.03

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Half scale
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Double scale
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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.