Home / 19,624.89-27,081.77-11,127.82

Finding the Fourth Proportional to 19,624.89, 27,081.77 and 11,127.82

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Solution

The fourth proportional to 19,624.89, 27,081.77 and 11,127.82 is: 15,356.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.89 : 27,081.77 = 11,127.82 : x
  2. Step 2: Convert to fraction form
    19,624.89/27,081.77 = 11,127.82/x
  3. Step 3: Cross multiply
    19,624.89x = 27,081.77 × 11,127.82
  4. Step 4: Simplify right side
    19,624.89x = 301,361,061.84
  5. Step 5: Solve for x
    x = 301,361,061.84/19,624.89
  6. Step 6: Final answer
    x = 15,356.06

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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.