Home / 15,936.29-21,991.58-8,766.17

Finding the Fourth Proportional to 15,936.29, 21,991.58 and 8,766.17

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Solution

The fourth proportional to 15,936.29, 21,991.58 and 8,766.17 is: 12,097.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,936.29 : 21,991.58 = 8,766.17 : x
  2. Step 2: Convert to fraction form
    15,936.29/21,991.58 = 8,766.17/x
  3. Step 3: Cross multiply
    15,936.29x = 21,991.58 × 8,766.17
  4. Step 4: Simplify right side
    15,936.29x = 192,782,063.41
  5. Step 5: Solve for x
    x = 192,782,063.41/15,936.29
  6. Step 6: Final answer
    x = 12,097.04

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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.