Home / 19,764.35-29,646.37-8,069.37

Finding the Fourth Proportional to 19,764.35, 29,646.37 and 8,069.37

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Solution

The fourth proportional to 19,764.35, 29,646.37 and 8,069.37 is: 12,103.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,764.35 : 29,646.37 = 8,069.37 : x
  2. Step 2: Convert to fraction form
    19,764.35/29,646.37 = 8,069.37/x
  3. Step 3: Cross multiply
    19,764.35x = 29,646.37 × 8,069.37
  4. Step 4: Simplify right side
    19,764.35x = 239,227,528.69
  5. Step 5: Solve for x
    x = 239,227,528.69/19,764.35
  6. Step 6: Final answer
    x = 12,103.99

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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.