Home / 18,314.51-27,467.90-5,163.35

Finding the Fourth Proportional to 18,314.51, 27,467.90 and 5,163.35

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Solution

The fourth proportional to 18,314.51, 27,467.90 and 5,163.35 is: 7,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,314.51 : 27,467.90 = 5,163.35 : x
  2. Step 2: Convert to fraction form
    18,314.51/27,467.90 = 5,163.35/x
  3. Step 3: Cross multiply
    18,314.51x = 27,467.90 × 5,163.35
  4. Step 4: Simplify right side
    18,314.51x = 141,826,355.65
  5. Step 5: Solve for x
    x = 141,826,355.65/18,314.51
  6. Step 6: Final answer
    x = 7,743.93

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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.