Home / 19,908.65-27,474.38-10,956.14

Finding the Fourth Proportional to 19,908.65, 27,474.38 and 10,956.14

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Solution

The fourth proportional to 19,908.65, 27,474.38 and 10,956.14 is: 15,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.65 : 27,474.38 = 10,956.14 : x
  2. Step 2: Convert to fraction form
    19,908.65/27,474.38 = 10,956.14/x
  3. Step 3: Cross multiply
    19,908.65x = 27,474.38 × 10,956.14
  4. Step 4: Simplify right side
    19,908.65x = 301,013,153.69
  5. Step 5: Solve for x
    x = 301,013,153.69/19,908.65
  6. Step 6: Final answer
    x = 15,119.72

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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.