Home / 37,182.62-55,762.11-12,216.89

Finding the Fourth Proportional to 37,182.62, 55,762.11 and 12,216.89

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Solution

The fourth proportional to 37,182.62, 55,762.11 and 12,216.89 is: 18,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,182.62 : 55,762.11 = 12,216.89 : x
  2. Step 2: Convert to fraction form
    37,182.62/55,762.11 = 12,216.89/x
  3. Step 3: Cross multiply
    37,182.62x = 55,762.11 × 12,216.89
  4. Step 4: Simplify right side
    37,182.62x = 681,239,703.44
  5. Step 5: Solve for x
    x = 681,239,703.44/37,182.62
  6. Step 6: Final answer
    x = 18,321.45

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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.