Home / 18,451.48-27,674.32-6,761.92

Finding the Fourth Proportional to 18,451.48, 27,674.32 and 6,761.92

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Solution

The fourth proportional to 18,451.48, 27,674.32 and 6,761.92 is: 10,141.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.48 : 27,674.32 = 6,761.92 : x
  2. Step 2: Convert to fraction form
    18,451.48/27,674.32 = 6,761.92/x
  3. Step 3: Cross multiply
    18,451.48x = 27,674.32 × 6,761.92
  4. Step 4: Simplify right side
    18,451.48x = 187,131,537.89
  5. Step 5: Solve for x
    x = 187,131,537.89/18,451.48
  6. Step 6: Final answer
    x = 10,141.82

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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.