Home / 19,183.20-28,776.49-5,859.20

Finding the Fourth Proportional to 19,183.20, 28,776.49 and 5,859.20

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Solution

The fourth proportional to 19,183.20, 28,776.49 and 5,859.20 is: 8,789.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.20 : 28,776.49 = 5,859.20 : x
  2. Step 2: Convert to fraction form
    19,183.20/28,776.49 = 5,859.20/x
  3. Step 3: Cross multiply
    19,183.20x = 28,776.49 × 5,859.20
  4. Step 4: Simplify right side
    19,183.20x = 168,607,267.50
  5. Step 5: Solve for x
    x = 168,607,267.50/19,183.20
  6. Step 6: Final answer
    x = 8,789.32

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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.