Home / 43,481.92-65,233.86-12,317.44

Finding the Fourth Proportional to 43,481.92, 65,233.86 and 12,317.44

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Solution

The fourth proportional to 43,481.92, 65,233.86 and 12,317.44 is: 18,479.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,481.92 : 65,233.86 = 12,317.44 : x
  2. Step 2: Convert to fraction form
    43,481.92/65,233.86 = 12,317.44/x
  3. Step 3: Cross multiply
    43,481.92x = 65,233.86 × 12,317.44
  4. Step 4: Simplify right side
    43,481.92x = 803,514,156.52
  5. Step 5: Solve for x
    x = 803,514,156.52/43,481.92
  6. Step 6: Final answer
    x = 18,479.27

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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.