Home / 23,489.82-32,416.27-12,879.43

Finding the Fourth Proportional to 23,489.82, 32,416.27 and 12,879.43

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Solution

The fourth proportional to 23,489.82, 32,416.27 and 12,879.43 is: 17,773.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,489.82 : 32,416.27 = 12,879.43 : x
  2. Step 2: Convert to fraction form
    23,489.82/32,416.27 = 12,879.43/x
  3. Step 3: Cross multiply
    23,489.82x = 32,416.27 × 12,879.43
  4. Step 4: Simplify right side
    23,489.82x = 417,502,967.09
  5. Step 5: Solve for x
    x = 417,502,967.09/23,489.82
  6. Step 6: Final answer
    x = 17,773.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.