Home / 13,061.88-17,956.04-11,238.24

Finding the Fourth Proportional to 13,061.88, 17,956.04 and 11,238.24

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Solution

The fourth proportional to 13,061.88, 17,956.04 and 11,238.24 is: 15,449.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,061.88 : 17,956.04 = 11,238.24 : x
  2. Step 2: Convert to fraction form
    13,061.88/17,956.04 = 11,238.24/x
  3. Step 3: Cross multiply
    13,061.88x = 17,956.04 × 11,238.24
  4. Step 4: Simplify right side
    13,061.88x = 201,794,286.97
  5. Step 5: Solve for x
    x = 201,794,286.97/13,061.88
  6. Step 6: Final answer
    x = 15,449.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.