Home / 27,579.72-41,376.06-12,001.80

Finding the Fourth Proportional to 27,579.72, 41,376.06 and 12,001.80

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Solution

The fourth proportional to 27,579.72, 41,376.06 and 12,001.80 is: 18,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,579.72 : 41,376.06 = 12,001.80 : x
  2. Step 2: Convert to fraction form
    27,579.72/41,376.06 = 12,001.80/x
  3. Step 3: Cross multiply
    27,579.72x = 41,376.06 × 12,001.80
  4. Step 4: Simplify right side
    27,579.72x = 496,587,196.91
  5. Step 5: Solve for x
    x = 496,587,196.91/27,579.72
  6. Step 6: Final answer
    x = 18,005.52

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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.