Home / 18,329.51-27,494.37-5,181.99

Finding the Fourth Proportional to 18,329.51, 27,494.37 and 5,181.99

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Solution

The fourth proportional to 18,329.51, 27,494.37 and 5,181.99 is: 7,773.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,329.51 : 27,494.37 = 5,181.99 : x
  2. Step 2: Convert to fraction form
    18,329.51/27,494.37 = 5,181.99/x
  3. Step 3: Cross multiply
    18,329.51x = 27,494.37 × 5,181.99
  4. Step 4: Simplify right side
    18,329.51x = 142,475,550.40
  5. Step 5: Solve for x
    x = 142,475,550.40/18,329.51
  6. Step 6: Final answer
    x = 7,773.02

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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.