Home / 18,124.74-27,183.87-4,797.81

Finding the Fourth Proportional to 18,124.74, 27,183.87 and 4,797.81

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Solution

The fourth proportional to 18,124.74, 27,183.87 and 4,797.81 is: 7,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,124.74 : 27,183.87 = 4,797.81 : x
  2. Step 2: Convert to fraction form
    18,124.74/27,183.87 = 4,797.81/x
  3. Step 3: Cross multiply
    18,124.74x = 27,183.87 × 4,797.81
  4. Step 4: Simplify right side
    18,124.74x = 130,423,043.32
  5. Step 5: Solve for x
    x = 130,423,043.32/18,124.74
  6. Step 6: Final answer
    x = 7,195.86

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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.