Home / 18,340.75-27,511.12-5,193.23

Finding the Fourth Proportional to 18,340.75, 27,511.12 and 5,193.23

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Solution

The fourth proportional to 18,340.75, 27,511.12 and 5,193.23 is: 7,789.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,340.75 : 27,511.12 = 5,193.23 : x
  2. Step 2: Convert to fraction form
    18,340.75/27,511.12 = 5,193.23/x
  3. Step 3: Cross multiply
    18,340.75x = 27,511.12 × 5,193.23
  4. Step 4: Simplify right side
    18,340.75x = 142,871,573.72
  5. Step 5: Solve for x
    x = 142,871,573.72/18,340.75
  6. Step 6: Final answer
    x = 7,789.84

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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.