Home / 12,514.03-18,772.05-4,194.11

Finding the Fourth Proportional to 12,514.03, 18,772.05 and 4,194.11

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Solution

The fourth proportional to 12,514.03, 18,772.05 and 4,194.11 is: 6,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514.03 : 18,772.05 = 4,194.11 : x
  2. Step 2: Convert to fraction form
    12,514.03/18,772.05 = 4,194.11/x
  3. Step 3: Cross multiply
    12,514.03x = 18,772.05 × 4,194.11
  4. Step 4: Simplify right side
    12,514.03x = 78,732,105.28
  5. Step 5: Solve for x
    x = 78,732,105.28/12,514.03
  6. Step 6: Final answer
    x = 6,291.51

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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.