Home / 37,173.48-55,768.78-12,215.64

Finding the Fourth Proportional to 37,173.48, 55,768.78 and 12,215.64

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Solution

The fourth proportional to 37,173.48, 55,768.78 and 12,215.64 is: 18,326.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,173.48 : 55,768.78 = 12,215.64 : x
  2. Step 2: Convert to fraction form
    37,173.48/55,768.78 = 12,215.64/x
  3. Step 3: Cross multiply
    37,173.48x = 55,768.78 × 12,215.64
  4. Step 4: Simplify right side
    37,173.48x = 681,251,339.72
  5. Step 5: Solve for x
    x = 681,251,339.72/37,173.48
  6. Step 6: Final answer
    x = 18,326.27

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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.