Home / 37,005.88-55,479.66-13,619.56

Finding the Fourth Proportional to 37,005.88, 55,479.66 and 13,619.56

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Solution

The fourth proportional to 37,005.88, 55,479.66 and 13,619.56 is: 20,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,005.88 : 55,479.66 = 13,619.56 : x
  2. Step 2: Convert to fraction form
    37,005.88/55,479.66 = 13,619.56/x
  3. Step 3: Cross multiply
    37,005.88x = 55,479.66 × 13,619.56
  4. Step 4: Simplify right side
    37,005.88x = 755,608,558.15
  5. Step 5: Solve for x
    x = 755,608,558.15/37,005.88
  6. Step 6: Final answer
    x = 20,418.61

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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.