Home / 37,140.82-55,705.76-12,183.51

Finding the Fourth Proportional to 37,140.82, 55,705.76 and 12,183.51

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Solution

The fourth proportional to 37,140.82, 55,705.76 and 12,183.51 is: 18,273.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,140.82 : 55,705.76 = 12,183.51 : x
  2. Step 2: Convert to fraction form
    37,140.82/55,705.76 = 12,183.51/x
  3. Step 3: Cross multiply
    37,140.82x = 55,705.76 × 12,183.51
  4. Step 4: Simplify right side
    37,140.82x = 678,691,344.57
  5. Step 5: Solve for x
    x = 678,691,344.57/37,140.82
  6. Step 6: Final answer
    x = 18,273.46

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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.