Home / 17,511.88-26,143.13-16,896.79

Finding the Fourth Proportional to 17,511.88, 26,143.13 and 16,896.79

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Solution

The fourth proportional to 17,511.88, 26,143.13 and 16,896.79 is: 25,224.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,511.88 : 26,143.13 = 16,896.79 : x
  2. Step 2: Convert to fraction form
    17,511.88/26,143.13 = 16,896.79/x
  3. Step 3: Cross multiply
    17,511.88x = 26,143.13 × 16,896.79
  4. Step 4: Simplify right side
    17,511.88x = 441,734,977.55
  5. Step 5: Solve for x
    x = 441,734,977.55/17,511.88
  6. Step 6: Final answer
    x = 25,224.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.