Home / 18,005.13-26,994.57-8,514.09

Finding the Fourth Proportional to 18,005.13, 26,994.57 and 8,514.09

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Solution

The fourth proportional to 18,005.13, 26,994.57 and 8,514.09 is: 12,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,005.13 : 26,994.57 = 8,514.09 : x
  2. Step 2: Convert to fraction form
    18,005.13/26,994.57 = 8,514.09/x
  3. Step 3: Cross multiply
    18,005.13x = 26,994.57 × 8,514.09
  4. Step 4: Simplify right side
    18,005.13x = 229,834,198.49
  5. Step 5: Solve for x
    x = 229,834,198.49/18,005.13
  6. Step 6: Final answer
    x = 12,764.93

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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.