Home / 18,110.83-27,160.61-8,745.02

Finding the Fourth Proportional to 18,110.83, 27,160.61 and 8,745.02

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Solution

The fourth proportional to 18,110.83, 27,160.61 and 8,745.02 is: 13,114.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.83 : 27,160.61 = 8,745.02 : x
  2. Step 2: Convert to fraction form
    18,110.83/27,160.61 = 8,745.02/x
  3. Step 3: Cross multiply
    18,110.83x = 27,160.61 × 8,745.02
  4. Step 4: Simplify right side
    18,110.83x = 237,520,116.50
  5. Step 5: Solve for x
    x = 237,520,116.50/18,110.83
  6. Step 6: Final answer
    x = 13,114.81

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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.