Home / 18,650.13-27,971.10-6,167.19

Finding the Fourth Proportional to 18,650.13, 27,971.10 and 6,167.19

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Solution

The fourth proportional to 18,650.13, 27,971.10 and 6,167.19 is: 9,249.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.13 : 27,971.10 = 6,167.19 : x
  2. Step 2: Convert to fraction form
    18,650.13/27,971.10 = 6,167.19/x
  3. Step 3: Cross multiply
    18,650.13x = 27,971.10 × 6,167.19
  4. Step 4: Simplify right side
    18,650.13x = 172,503,088.21
  5. Step 5: Solve for x
    x = 172,503,088.21/18,650.13
  6. Step 6: Final answer
    x = 9,249.43

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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.