Home / 23,979.21-35,971.35-8,185.83

Finding the Fourth Proportional to 23,979.21, 35,971.35 and 8,185.83

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Solution

The fourth proportional to 23,979.21, 35,971.35 and 8,185.83 is: 12,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,979.21 : 35,971.35 = 8,185.83 : x
  2. Step 2: Convert to fraction form
    23,979.21/35,971.35 = 8,185.83/x
  3. Step 3: Cross multiply
    23,979.21x = 35,971.35 × 8,185.83
  4. Step 4: Simplify right side
    23,979.21x = 294,455,355.97
  5. Step 5: Solve for x
    x = 294,455,355.97/23,979.21
  6. Step 6: Final answer
    x = 12,279.61

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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.