Home / 27,721.19-41,603.66-12,922.49

Finding the Fourth Proportional to 27,721.19, 41,603.66 and 12,922.49

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Solution

The fourth proportional to 27,721.19, 41,603.66 and 12,922.49 is: 19,393.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,721.19 : 41,603.66 = 12,922.49 : x
  2. Step 2: Convert to fraction form
    27,721.19/41,603.66 = 12,922.49/x
  3. Step 3: Cross multiply
    27,721.19x = 41,603.66 × 12,922.49
  4. Step 4: Simplify right side
    27,721.19x = 537,622,607.68
  5. Step 5: Solve for x
    x = 537,622,607.68/27,721.19
  6. Step 6: Final answer
    x = 19,393.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.