Home / 19,908.12-27,473.32-10,956.56

Finding the Fourth Proportional to 19,908.12, 27,473.32 and 10,956.56

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Solution

The fourth proportional to 19,908.12, 27,473.32 and 10,956.56 is: 15,120.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.12 : 27,473.32 = 10,956.56 : x
  2. Step 2: Convert to fraction form
    19,908.12/27,473.32 = 10,956.56/x
  3. Step 3: Cross multiply
    19,908.12x = 27,473.32 × 10,956.56
  4. Step 4: Simplify right side
    19,908.12x = 301,013,078.98
  5. Step 5: Solve for x
    x = 301,013,078.98/19,908.12
  6. Step 6: Final answer
    x = 15,120.12

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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.