Home / 15,936.16-21,994.20-9,563.04

Finding the Fourth Proportional to 15,936.16, 21,994.20 and 9,563.04

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Solution

The fourth proportional to 15,936.16, 21,994.20 and 9,563.04 is: 13,198.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,936.16 : 21,994.20 = 9,563.04 : x
  2. Step 2: Convert to fraction form
    15,936.16/21,994.20 = 9,563.04/x
  3. Step 3: Cross multiply
    15,936.16x = 21,994.20 × 9,563.04
  4. Step 4: Simplify right side
    15,936.16x = 210,331,414.37
  5. Step 5: Solve for x
    x = 210,331,414.37/15,936.16
  6. Step 6: Final answer
    x = 13,198.37

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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.