Home / 19,183.74-26,474.77-10,800.78

Finding the Fourth Proportional to 19,183.74, 26,474.77 and 10,800.78

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Solution

The fourth proportional to 19,183.74, 26,474.77 and 10,800.78 is: 14,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,183.74 : 26,474.77 = 10,800.78 : x
  2. Step 2: Convert to fraction form
    19,183.74/26,474.77 = 10,800.78/x
  3. Step 3: Cross multiply
    19,183.74x = 26,474.77 × 10,800.78
  4. Step 4: Simplify right side
    19,183.74x = 285,948,080.54
  5. Step 5: Solve for x
    x = 285,948,080.54/19,183.74
  6. Step 6: Final answer
    x = 14,905.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.