Home / 18,201.41-27,267.10-11,160.87

Finding the Fourth Proportional to 18,201.41, 27,267.10 and 11,160.87

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Solution

The fourth proportional to 18,201.41, 27,267.10 and 11,160.87 is: 16,719.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,201.41 : 27,267.10 = 11,160.87 : x
  2. Step 2: Convert to fraction form
    18,201.41/27,267.10 = 11,160.87/x
  3. Step 3: Cross multiply
    18,201.41x = 27,267.10 × 11,160.87
  4. Step 4: Simplify right side
    18,201.41x = 304,324,581.60
  5. Step 5: Solve for x
    x = 304,324,581.60/18,201.41
  6. Step 6: Final answer
    x = 16,719.84

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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.