Home / 19,714.91-27,202.51-11,329.79

Finding the Fourth Proportional to 19,714.91, 27,202.51 and 11,329.79

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Solution

The fourth proportional to 19,714.91, 27,202.51 and 11,329.79 is: 15,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,714.91 : 27,202.51 = 11,329.79 : x
  2. Step 2: Convert to fraction form
    19,714.91/27,202.51 = 11,329.79/x
  3. Step 3: Cross multiply
    19,714.91x = 27,202.51 × 11,329.79
  4. Step 4: Simplify right side
    19,714.91x = 308,198,725.77
  5. Step 5: Solve for x
    x = 308,198,725.77/19,714.91
  6. Step 6: Final answer
    x = 15,632.77

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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.