Home / 18,529.16-27,789.26-5,377.96

Finding the Fourth Proportional to 18,529.16, 27,789.26 and 5,377.96

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Solution

The fourth proportional to 18,529.16, 27,789.26 and 5,377.96 is: 8,065.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.16 : 27,789.26 = 5,377.96 : x
  2. Step 2: Convert to fraction form
    18,529.16/27,789.26 = 5,377.96/x
  3. Step 3: Cross multiply
    18,529.16x = 27,789.26 × 5,377.96
  4. Step 4: Simplify right side
    18,529.16x = 149,449,528.71
  5. Step 5: Solve for x
    x = 149,449,528.71/18,529.16
  6. Step 6: Final answer
    x = 8,065.64

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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.