Home / 13,754.76-20,619.59-4,987.73

Finding the Fourth Proportional to 13,754.76, 20,619.59 and 4,987.73

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Solution

The fourth proportional to 13,754.76, 20,619.59 and 4,987.73 is: 7,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,754.76 : 20,619.59 = 4,987.73 : x
  2. Step 2: Convert to fraction form
    13,754.76/20,619.59 = 4,987.73/x
  3. Step 3: Cross multiply
    13,754.76x = 20,619.59 × 4,987.73
  4. Step 4: Simplify right side
    13,754.76x = 102,844,819.59
  5. Step 5: Solve for x
    x = 102,844,819.59/13,754.76
  6. Step 6: Final answer
    x = 7,477.03

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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.