Home / 21,634.43-29,859.30-17,191.98

Finding the Fourth Proportional to 21,634.43, 29,859.30 and 17,191.98

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Solution

The fourth proportional to 21,634.43, 29,859.30 and 17,191.98 is: 23,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,634.43 : 29,859.30 = 17,191.98 : x
  2. Step 2: Convert to fraction form
    21,634.43/29,859.30 = 17,191.98/x
  3. Step 3: Cross multiply
    21,634.43x = 29,859.30 × 17,191.98
  4. Step 4: Simplify right side
    21,634.43x = 513,340,488.41
  5. Step 5: Solve for x
    x = 513,340,488.41/21,634.43
  6. Step 6: Final answer
    x = 23,727.95

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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.