Home / 18,982.85-28,476.99-5,836.32

Finding the Fourth Proportional to 18,982.85, 28,476.99 and 5,836.32

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Solution

The fourth proportional to 18,982.85, 28,476.99 and 5,836.32 is: 8,755.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.85 : 28,476.99 = 5,836.32 : x
  2. Step 2: Convert to fraction form
    18,982.85/28,476.99 = 5,836.32/x
  3. Step 3: Cross multiply
    18,982.85x = 28,476.99 × 5,836.32
  4. Step 4: Simplify right side
    18,982.85x = 166,200,826.28
  5. Step 5: Solve for x
    x = 166,200,826.28/18,982.85
  6. Step 6: Final answer
    x = 8,755.32

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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.