Home / 16,874.22-25,316.73-8,109.75

Finding the Fourth Proportional to 16,874.22, 25,316.73 and 8,109.75

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Solution

The fourth proportional to 16,874.22, 25,316.73 and 8,109.75 is: 12,167.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,874.22 : 25,316.73 = 8,109.75 : x
  2. Step 2: Convert to fraction form
    16,874.22/25,316.73 = 8,109.75/x
  3. Step 3: Cross multiply
    16,874.22x = 25,316.73 × 8,109.75
  4. Step 4: Simplify right side
    16,874.22x = 205,312,351.12
  5. Step 5: Solve for x
    x = 205,312,351.12/16,874.22
  6. Step 6: Final answer
    x = 12,167.22

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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.