Home / 19,577.58-29,366.11-4,786.63

Finding the Fourth Proportional to 19,577.58, 29,366.11 and 4,786.63

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Solution

The fourth proportional to 19,577.58, 29,366.11 and 4,786.63 is: 7,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.58 : 29,366.11 = 4,786.63 : x
  2. Step 2: Convert to fraction form
    19,577.58/29,366.11 = 4,786.63/x
  3. Step 3: Cross multiply
    19,577.58x = 29,366.11 × 4,786.63
  4. Step 4: Simplify right side
    19,577.58x = 140,564,635.68
  5. Step 5: Solve for x
    x = 140,564,635.68/19,577.58
  6. Step 6: Final answer
    x = 7,179.88

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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.