Home / 18,100.53-27,143.10-8,246.07

Finding the Fourth Proportional to 18,100.53, 27,143.10 and 8,246.07

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Solution

The fourth proportional to 18,100.53, 27,143.10 and 8,246.07 is: 12,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.53 : 27,143.10 = 8,246.07 : x
  2. Step 2: Convert to fraction form
    18,100.53/27,143.10 = 8,246.07/x
  3. Step 3: Cross multiply
    18,100.53x = 27,143.10 × 8,246.07
  4. Step 4: Simplify right side
    18,100.53x = 223,823,902.62
  5. Step 5: Solve for x
    x = 223,823,902.62/18,100.53
  6. Step 6: Final answer
    x = 12,365.60

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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.