Home / 19,579.96-27,020.05-11,083.69

Finding the Fourth Proportional to 19,579.96, 27,020.05 and 11,083.69

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Solution

The fourth proportional to 19,579.96, 27,020.05 and 11,083.69 is: 15,295.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,579.96 : 27,020.05 = 11,083.69 : x
  2. Step 2: Convert to fraction form
    19,579.96/27,020.05 = 11,083.69/x
  3. Step 3: Cross multiply
    19,579.96x = 27,020.05 × 11,083.69
  4. Step 4: Simplify right side
    19,579.96x = 299,481,802.57
  5. Step 5: Solve for x
    x = 299,481,802.57/19,579.96
  6. Step 6: Final answer
    x = 15,295.33

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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.