Home / 19,577.58-29,366.28-4,786.58

Finding the Fourth Proportional to 19,577.58, 29,366.28 and 4,786.58

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Solution

The fourth proportional to 19,577.58, 29,366.28 and 4,786.58 is: 7,179.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,577.58 : 29,366.28 = 4,786.58 : x
  2. Step 2: Convert to fraction form
    19,577.58/29,366.28 = 4,786.58/x
  3. Step 3: Cross multiply
    19,577.58x = 29,366.28 × 4,786.58
  4. Step 4: Simplify right side
    19,577.58x = 140,564,048.52
  5. Step 5: Solve for x
    x = 140,564,048.52/19,577.58
  6. Step 6: Final answer
    x = 7,179.85

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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.