Home / 18,331.44-27,500.15-5,678.25

Finding the Fourth Proportional to 18,331.44, 27,500.15 and 5,678.25

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Solution

The fourth proportional to 18,331.44, 27,500.15 and 5,678.25 is: 8,518.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.44 : 27,500.15 = 5,678.25 : x
  2. Step 2: Convert to fraction form
    18,331.44/27,500.15 = 5,678.25/x
  3. Step 3: Cross multiply
    18,331.44x = 27,500.15 × 5,678.25
  4. Step 4: Simplify right side
    18,331.44x = 156,152,605.87
  5. Step 5: Solve for x
    x = 156,152,605.87/18,331.44
  6. Step 6: Final answer
    x = 8,518.29

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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.