Home / 19,956.20-27,516.78-14,911.92

Finding the Fourth Proportional to 19,956.20, 27,516.78 and 14,911.92

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Solution

The fourth proportional to 19,956.20, 27,516.78 and 14,911.92 is: 20,561.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.20 : 27,516.78 = 14,911.92 : x
  2. Step 2: Convert to fraction form
    19,956.20/27,516.78 = 14,911.92/x
  3. Step 3: Cross multiply
    19,956.20x = 27,516.78 × 14,911.92
  4. Step 4: Simplify right side
    19,956.20x = 410,328,022.02
  5. Step 5: Solve for x
    x = 410,328,022.02/19,956.20
  6. Step 6: Final answer
    x = 20,561.44

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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.