Home / 13,119.75-19,674.99-4,234.73

Finding the Fourth Proportional to 13,119.75, 19,674.99 and 4,234.73

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Solution

The fourth proportional to 13,119.75, 19,674.99 and 4,234.73 is: 6,350.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,119.75 : 19,674.99 = 4,234.73 : x
  2. Step 2: Convert to fraction form
    13,119.75/19,674.99 = 4,234.73/x
  3. Step 3: Cross multiply
    13,119.75x = 19,674.99 × 4,234.73
  4. Step 4: Simplify right side
    13,119.75x = 83,318,172.03
  5. Step 5: Solve for x
    x = 83,318,172.03/13,119.75
  6. Step 6: Final answer
    x = 6,350.59

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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.