Home / 18,061.48-27,092.22-8,821

Finding the Fourth Proportional to 18,061.48, 27,092.22 and 8,821

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Solution

The fourth proportional to 18,061.48, 27,092.22 and 8,821 is: 13,231.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,061.48 : 27,092.22 = 8,821 : x
  2. Step 2: Convert to fraction form
    18,061.48/27,092.22 = 8,821/x
  3. Step 3: Cross multiply
    18,061.48x = 27,092.22 × 8,821
  4. Step 4: Simplify right side
    18,061.48x = 238,980,472.62
  5. Step 5: Solve for x
    x = 238,980,472.62/18,061.48
  6. Step 6: Final answer
    x = 13,231.50

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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.