Home / 18,522.46-27,785.04-5,374.90

Finding the Fourth Proportional to 18,522.46, 27,785.04 and 5,374.90

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Solution

The fourth proportional to 18,522.46, 27,785.04 and 5,374.90 is: 8,062.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,522.46 : 27,785.04 = 5,374.90 : x
  2. Step 2: Convert to fraction form
    18,522.46/27,785.04 = 5,374.90/x
  3. Step 3: Cross multiply
    18,522.46x = 27,785.04 × 5,374.90
  4. Step 4: Simplify right side
    18,522.46x = 149,341,811.50
  5. Step 5: Solve for x
    x = 149,341,811.50/18,522.46
  6. Step 6: Final answer
    x = 8,062.74

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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.