Home / 18,464.99-27,701.13-6,778.31

Finding the Fourth Proportional to 18,464.99, 27,701.13 and 6,778.31

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Solution

The fourth proportional to 18,464.99, 27,701.13 and 6,778.31 is: 10,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.99 : 27,701.13 = 6,778.31 : x
  2. Step 2: Convert to fraction form
    18,464.99/27,701.13 = 6,778.31/x
  3. Step 3: Cross multiply
    18,464.99x = 27,701.13 × 6,778.31
  4. Step 4: Simplify right side
    18,464.99x = 187,766,707.98
  5. Step 5: Solve for x
    x = 187,766,707.98/18,464.99
  6. Step 6: Final answer
    x = 10,168.80

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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.