Home / 19,183.92-28,802.79-9,830.66

Finding the Fourth Proportional to 19,183.92, 28,802.79 and 9,830.66

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Solution

The fourth proportional to 19,183.92, 28,802.79 and 9,830.66 is: 14,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.92 : 28,802.79 = 9,830.66 : x
  2. Step 2: Convert to fraction form
    19,183.92/28,802.79 = 9,830.66/x
  3. Step 3: Cross multiply
    19,183.92x = 28,802.79 × 9,830.66
  4. Step 4: Simplify right side
    19,183.92x = 283,150,291.53
  5. Step 5: Solve for x
    x = 283,150,291.53/19,183.92
  6. Step 6: Final answer
    x = 14,759.78

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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.