Home / 18,650.55-27,970.01-6,167.77

Finding the Fourth Proportional to 18,650.55, 27,970.01 and 6,167.77

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Solution

The fourth proportional to 18,650.55, 27,970.01 and 6,167.77 is: 9,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.55 : 27,970.01 = 6,167.77 : x
  2. Step 2: Convert to fraction form
    18,650.55/27,970.01 = 6,167.77/x
  3. Step 3: Cross multiply
    18,650.55x = 27,970.01 × 6,167.77
  4. Step 4: Simplify right side
    18,650.55x = 172,512,588.58
  5. Step 5: Solve for x
    x = 172,512,588.58/18,650.55
  6. Step 6: Final answer
    x = 9,249.73

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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.