Home / 18,099.48-27,200.34-10,705.08

Finding the Fourth Proportional to 18,099.48, 27,200.34 and 10,705.08

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Solution

The fourth proportional to 18,099.48, 27,200.34 and 10,705.08 is: 16,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,099.48 : 27,200.34 = 10,705.08 : x
  2. Step 2: Convert to fraction form
    18,099.48/27,200.34 = 10,705.08/x
  3. Step 3: Cross multiply
    18,099.48x = 27,200.34 × 10,705.08
  4. Step 4: Simplify right side
    18,099.48x = 291,181,815.73
  5. Step 5: Solve for x
    x = 291,181,815.73/18,099.48
  6. Step 6: Final answer
    x = 16,087.86

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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.