Home / 19,625.60-27,080.32-11,667.68

Finding the Fourth Proportional to 19,625.60, 27,080.32 and 11,667.68

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Solution

The fourth proportional to 19,625.60, 27,080.32 and 11,667.68 is: 16,099.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.60 : 27,080.32 = 11,667.68 : x
  2. Step 2: Convert to fraction form
    19,625.60/27,080.32 = 11,667.68/x
  3. Step 3: Cross multiply
    19,625.60x = 27,080.32 × 11,667.68
  4. Step 4: Simplify right side
    19,625.60x = 315,964,508.06
  5. Step 5: Solve for x
    x = 315,964,508.06/19,625.60
  6. Step 6: Final answer
    x = 16,099.61

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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.