Home / 20,055.32-27,676.26-11,102.28

Finding the Fourth Proportional to 20,055.32, 27,676.26 and 11,102.28

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Solution

The fourth proportional to 20,055.32, 27,676.26 and 11,102.28 is: 15,321.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.32 : 27,676.26 = 11,102.28 : x
  2. Step 2: Convert to fraction form
    20,055.32/27,676.26 = 11,102.28/x
  3. Step 3: Cross multiply
    20,055.32x = 27,676.26 × 11,102.28
  4. Step 4: Simplify right side
    20,055.32x = 307,269,587.87
  5. Step 5: Solve for x
    x = 307,269,587.87/20,055.32
  6. Step 6: Final answer
    x = 15,321.11

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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.