Home / 27,255.54-40,825.86-12,476.88

Finding the Fourth Proportional to 27,255.54, 40,825.86 and 12,476.88

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Solution

The fourth proportional to 27,255.54, 40,825.86 and 12,476.88 is: 18,689.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,255.54 : 40,825.86 = 12,476.88 : x
  2. Step 2: Convert to fraction form
    27,255.54/40,825.86 = 12,476.88/x
  3. Step 3: Cross multiply
    27,255.54x = 40,825.86 × 12,476.88
  4. Step 4: Simplify right side
    27,255.54x = 509,379,356.12
  5. Step 5: Solve for x
    x = 509,379,356.12/27,255.54
  6. Step 6: Final answer
    x = 18,689.02

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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.