Home / 27,105.93-40,680.81-13,962.06

Finding the Fourth Proportional to 27,105.93, 40,680.81 and 13,962.06

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Solution

The fourth proportional to 27,105.93, 40,680.81 and 13,962.06 is: 20,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105.93 : 40,680.81 = 13,962.06 : x
  2. Step 2: Convert to fraction form
    27,105.93/40,680.81 = 13,962.06/x
  3. Step 3: Cross multiply
    27,105.93x = 40,680.81 × 13,962.06
  4. Step 4: Simplify right side
    27,105.93x = 567,987,910.07
  5. Step 5: Solve for x
    x = 567,987,910.07/27,105.93
  6. Step 6: Final answer
    x = 20,954.38

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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.