Home / 12,951.11-19,422.54-4,183.94

Finding the Fourth Proportional to 12,951.11, 19,422.54 and 4,183.94

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Solution

The fourth proportional to 12,951.11, 19,422.54 and 4,183.94 is: 6,274.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951.11 : 19,422.54 = 4,183.94 : x
  2. Step 2: Convert to fraction form
    12,951.11/19,422.54 = 4,183.94/x
  3. Step 3: Cross multiply
    12,951.11x = 19,422.54 × 4,183.94
  4. Step 4: Simplify right side
    12,951.11x = 81,262,644.89
  5. Step 5: Solve for x
    x = 81,262,644.89/12,951.11
  6. Step 6: Final answer
    x = 6,274.57

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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.