Home / 14,514.15-21,714.52-12,745.11

Finding the Fourth Proportional to 14,514.15, 21,714.52 and 12,745.11

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Solution

The fourth proportional to 14,514.15, 21,714.52 and 12,745.11 is: 19,067.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,514.15 : 21,714.52 = 12,745.11 : x
  2. Step 2: Convert to fraction form
    14,514.15/21,714.52 = 12,745.11/x
  3. Step 3: Cross multiply
    14,514.15x = 21,714.52 × 12,745.11
  4. Step 4: Simplify right side
    14,514.15x = 276,753,946.00
  5. Step 5: Solve for x
    x = 276,753,946.00/14,514.15
  6. Step 6: Final answer
    x = 19,067.87

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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.