Home / 37,105.11-55,652.29-12,146.15

Finding the Fourth Proportional to 37,105.11, 55,652.29 and 12,146.15

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Solution

The fourth proportional to 37,105.11, 55,652.29 and 12,146.15 is: 18,217.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,105.11 : 55,652.29 = 12,146.15 : x
  2. Step 2: Convert to fraction form
    37,105.11/55,652.29 = 12,146.15/x
  3. Step 3: Cross multiply
    37,105.11x = 55,652.29 × 12,146.15
  4. Step 4: Simplify right side
    37,105.11x = 675,961,062.18
  5. Step 5: Solve for x
    x = 675,961,062.18/37,105.11
  6. Step 6: Final answer
    x = 18,217.47

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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.