Home / 19,828.13-27,363.89-11,447.33

Finding the Fourth Proportional to 19,828.13, 27,363.89 and 11,447.33

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Solution

The fourth proportional to 19,828.13, 27,363.89 and 11,447.33 is: 15,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.13 : 27,363.89 = 11,447.33 : x
  2. Step 2: Convert to fraction form
    19,828.13/27,363.89 = 11,447.33/x
  3. Step 3: Cross multiply
    19,828.13x = 27,363.89 × 11,447.33
  4. Step 4: Simplify right side
    19,828.13x = 313,243,370.71
  5. Step 5: Solve for x
    x = 313,243,370.71/19,828.13
  6. Step 6: Final answer
    x = 15,797.93

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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.