Home / 18,231.37-27,347.18-5,083.86

Finding the Fourth Proportional to 18,231.37, 27,347.18 and 5,083.86

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Solution

The fourth proportional to 18,231.37, 27,347.18 and 5,083.86 is: 7,625.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.37 : 27,347.18 = 5,083.86 : x
  2. Step 2: Convert to fraction form
    18,231.37/27,347.18 = 5,083.86/x
  3. Step 3: Cross multiply
    18,231.37x = 27,347.18 × 5,083.86
  4. Step 4: Simplify right side
    18,231.37x = 139,029,234.51
  5. Step 5: Solve for x
    x = 139,029,234.51/18,231.37
  6. Step 6: Final answer
    x = 7,625.82

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1.5x scale

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.