Home / 19,579.49-27,019.41-11,514.06

Finding the Fourth Proportional to 19,579.49, 27,019.41 and 11,514.06

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Solution

The fourth proportional to 19,579.49, 27,019.41 and 11,514.06 is: 15,889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.49 : 27,019.41 = 11,514.06 : x
  2. Step 2: Convert to fraction form
    19,579.49/27,019.41 = 11,514.06/x
  3. Step 3: Cross multiply
    19,579.49x = 27,019.41 × 11,514.06
  4. Step 4: Simplify right side
    19,579.49x = 311,103,064.73
  5. Step 5: Solve for x
    x = 311,103,064.73/19,579.49
  6. Step 6: Final answer
    x = 15,889.23

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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.