Home / 18,355.68-27,487.44-14,481.12

Finding the Fourth Proportional to 18,355.68, 27,487.44 and 14,481.12

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Solution

The fourth proportional to 18,355.68, 27,487.44 and 14,481.12 is: 21,685.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.68 : 27,487.44 = 14,481.12 : x
  2. Step 2: Convert to fraction form
    18,355.68/27,487.44 = 14,481.12/x
  3. Step 3: Cross multiply
    18,355.68x = 27,487.44 × 14,481.12
  4. Step 4: Simplify right side
    18,355.68x = 398,048,917.13
  5. Step 5: Solve for x
    x = 398,048,917.13/18,355.68
  6. Step 6: Final answer
    x = 21,685.33

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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.