Home / 19,864.68-27,411.66-11,481.72

Finding the Fourth Proportional to 19,864.68, 27,411.66 and 11,481.72

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Solution

The fourth proportional to 19,864.68, 27,411.66 and 11,481.72 is: 15,843.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864.68 : 27,411.66 = 11,481.72 : x
  2. Step 2: Convert to fraction form
    19,864.68/27,411.66 = 11,481.72/x
  3. Step 3: Cross multiply
    19,864.68x = 27,411.66 × 11,481.72
  4. Step 4: Simplify right side
    19,864.68x = 314,733,004.86
  5. Step 5: Solve for x
    x = 314,733,004.86/19,864.68
  6. Step 6: Final answer
    x = 15,843.85

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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.