Home / 19,163.88-26,446.14-10,780.38

Finding the Fourth Proportional to 19,163.88, 26,446.14 and 10,780.38

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Solution

The fourth proportional to 19,163.88, 26,446.14 and 10,780.38 is: 14,876.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.88 : 26,446.14 = 10,780.38 : x
  2. Step 2: Convert to fraction form
    19,163.88/26,446.14 = 10,780.38/x
  3. Step 3: Cross multiply
    19,163.88x = 26,446.14 × 10,780.38
  4. Step 4: Simplify right side
    19,163.88x = 285,099,438.73
  5. Step 5: Solve for x
    x = 285,099,438.73/19,163.88
  6. Step 6: Final answer
    x = 14,876.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.