Home / 19,979.73-27,572.04-11,027.88

Finding the Fourth Proportional to 19,979.73, 27,572.04 and 11,027.88

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Solution

The fourth proportional to 19,979.73, 27,572.04 and 11,027.88 is: 15,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.73 : 27,572.04 = 11,027.88 : x
  2. Step 2: Convert to fraction form
    19,979.73/27,572.04 = 11,027.88/x
  3. Step 3: Cross multiply
    19,979.73x = 27,572.04 × 11,027.88
  4. Step 4: Simplify right side
    19,979.73x = 304,061,148.48
  5. Step 5: Solve for x
    x = 304,061,148.48/19,979.73
  6. Step 6: Final answer
    x = 15,218.48

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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.