Home / 18,215.91-27,326.75-6,372.99

Finding the Fourth Proportional to 18,215.91, 27,326.75 and 6,372.99

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Solution

The fourth proportional to 18,215.91, 27,326.75 and 6,372.99 is: 9,560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,215.91 : 27,326.75 = 6,372.99 : x
  2. Step 2: Convert to fraction form
    18,215.91/27,326.75 = 6,372.99/x
  3. Step 3: Cross multiply
    18,215.91x = 27,326.75 × 6,372.99
  4. Step 4: Simplify right side
    18,215.91x = 174,153,072.62
  5. Step 5: Solve for x
    x = 174,153,072.62/18,215.91
  6. Step 6: Final answer
    x = 9,560.49

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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.