Home / 25,175.49-37,763.24-11,987.88

Finding the Fourth Proportional to 25,175.49, 37,763.24 and 11,987.88

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Solution

The fourth proportional to 25,175.49, 37,763.24 and 11,987.88 is: 17,981.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,175.49 : 37,763.24 = 11,987.88 : x
  2. Step 2: Convert to fraction form
    25,175.49/37,763.24 = 11,987.88/x
  3. Step 3: Cross multiply
    25,175.49x = 37,763.24 × 11,987.88
  4. Step 4: Simplify right side
    25,175.49x = 452,701,234.11
  5. Step 5: Solve for x
    x = 452,701,234.11/25,175.49
  6. Step 6: Final answer
    x = 17,981.82

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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.