Home / 21,929.14-32,879.13-12,073.06

Finding the Fourth Proportional to 21,929.14, 32,879.13 and 12,073.06

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Solution

The fourth proportional to 21,929.14, 32,879.13 and 12,073.06 is: 18,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,929.14 : 32,879.13 = 12,073.06 : x
  2. Step 2: Convert to fraction form
    21,929.14/32,879.13 = 12,073.06/x
  3. Step 3: Cross multiply
    21,929.14x = 32,879.13 × 12,073.06
  4. Step 4: Simplify right side
    21,929.14x = 396,951,709.24
  5. Step 5: Solve for x
    x = 396,951,709.24/21,929.14
  6. Step 6: Final answer
    x = 18,101.56

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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.