Home / 15,520.82-23,281.36-6,163.09

Finding the Fourth Proportional to 15,520.82, 23,281.36 and 6,163.09

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Solution

The fourth proportional to 15,520.82, 23,281.36 and 6,163.09 is: 9,244.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,520.82 : 23,281.36 = 6,163.09 : x
  2. Step 2: Convert to fraction form
    15,520.82/23,281.36 = 6,163.09/x
  3. Step 3: Cross multiply
    15,520.82x = 23,281.36 × 6,163.09
  4. Step 4: Simplify right side
    15,520.82x = 143,485,043.39
  5. Step 5: Solve for x
    x = 143,485,043.39/15,520.82
  6. Step 6: Final answer
    x = 9,244.68

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Half scale
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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.