Home / 27,635.51-41,418.59-11,821.98

Finding the Fourth Proportional to 27,635.51, 41,418.59 and 11,821.98

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Solution

The fourth proportional to 27,635.51, 41,418.59 and 11,821.98 is: 17,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,635.51 : 41,418.59 = 11,821.98 : x
  2. Step 2: Convert to fraction form
    27,635.51/41,418.59 = 11,821.98/x
  3. Step 3: Cross multiply
    27,635.51x = 41,418.59 × 11,821.98
  4. Step 4: Simplify right side
    27,635.51x = 489,649,742.61
  5. Step 5: Solve for x
    x = 489,649,742.61/27,635.51
  6. Step 6: Final answer
    x = 17,718.14

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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.