Home / 18,522.18-27,780.44-5,371.83

Finding the Fourth Proportional to 18,522.18, 27,780.44 and 5,371.83

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Solution

The fourth proportional to 18,522.18, 27,780.44 and 5,371.83 is: 8,056.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.18 : 27,780.44 = 5,371.83 : x
  2. Step 2: Convert to fraction form
    18,522.18/27,780.44 = 5,371.83/x
  3. Step 3: Cross multiply
    18,522.18x = 27,780.44 × 5,371.83
  4. Step 4: Simplify right side
    18,522.18x = 149,231,774.15
  5. Step 5: Solve for x
    x = 149,231,774.15/18,522.18
  6. Step 6: Final answer
    x = 8,056.92

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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.