Home / 22,721.07-34,081.73-7,929.93

Finding the Fourth Proportional to 22,721.07, 34,081.73 and 7,929.93

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Solution

The fourth proportional to 22,721.07, 34,081.73 and 7,929.93 is: 11,894.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.07 : 34,081.73 = 7,929.93 : x
  2. Step 2: Convert to fraction form
    22,721.07/34,081.73 = 7,929.93/x
  3. Step 3: Cross multiply
    22,721.07x = 34,081.73 × 7,929.93
  4. Step 4: Simplify right side
    22,721.07x = 270,265,733.18
  5. Step 5: Solve for x
    x = 270,265,733.18/22,721.07
  6. Step 6: Final answer
    x = 11,894.94

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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.