Home / 12,514.91-18,774.52-4,195.72

Finding the Fourth Proportional to 12,514.91, 18,774.52 and 4,195.72

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Solution

The fourth proportional to 12,514.91, 18,774.52 and 4,195.72 is: 6,294.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,514.91 : 18,774.52 = 4,195.72 : x
  2. Step 2: Convert to fraction form
    12,514.91/18,774.52 = 4,195.72/x
  3. Step 3: Cross multiply
    12,514.91x = 18,774.52 × 4,195.72
  4. Step 4: Simplify right side
    12,514.91x = 78,772,536.43
  5. Step 5: Solve for x
    x = 78,772,536.43/12,514.91
  6. Step 6: Final answer
    x = 6,294.30

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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.