Home / 18,220.22-27,330.34-14,066.30

Finding the Fourth Proportional to 18,220.22, 27,330.34 and 14,066.30

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Solution

The fourth proportional to 18,220.22, 27,330.34 and 14,066.30 is: 21,099.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.22 : 27,330.34 = 14,066.30 : x
  2. Step 2: Convert to fraction form
    18,220.22/27,330.34 = 14,066.30/x
  3. Step 3: Cross multiply
    18,220.22x = 27,330.34 × 14,066.30
  4. Step 4: Simplify right side
    18,220.22x = 384,436,761.54
  5. Step 5: Solve for x
    x = 384,436,761.54/18,220.22
  6. Step 6: Final answer
    x = 21,099.46

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.