Home / 18,240.14-27,350.87-8,370.84

Finding the Fourth Proportional to 18,240.14, 27,350.87 and 8,370.84

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Solution

The fourth proportional to 18,240.14, 27,350.87 and 8,370.84 is: 12,551.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,240.14 : 27,350.87 = 8,370.84 : x
  2. Step 2: Convert to fraction form
    18,240.14/27,350.87 = 8,370.84/x
  3. Step 3: Cross multiply
    18,240.14x = 27,350.87 × 8,370.84
  4. Step 4: Simplify right side
    18,240.14x = 228,949,817.34
  5. Step 5: Solve for x
    x = 228,949,817.34/18,240.14
  6. Step 6: Final answer
    x = 12,551.98

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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.