Home / 19,663.83-29,493.45-5,811.75

Finding the Fourth Proportional to 19,663.83, 29,493.45 and 5,811.75

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Solution

The fourth proportional to 19,663.83, 29,493.45 and 5,811.75 is: 8,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.83 : 29,493.45 = 5,811.75 : x
  2. Step 2: Convert to fraction form
    19,663.83/29,493.45 = 5,811.75/x
  3. Step 3: Cross multiply
    19,663.83x = 29,493.45 × 5,811.75
  4. Step 4: Simplify right side
    19,663.83x = 171,408,558.04
  5. Step 5: Solve for x
    x = 171,408,558.04/19,663.83
  6. Step 6: Final answer
    x = 8,716.95

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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.