Home / 19,529.63-29,299.43-5,678.63

Finding the Fourth Proportional to 19,529.63, 29,299.43 and 5,678.63

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Solution

The fourth proportional to 19,529.63, 29,299.43 and 5,678.63 is: 8,519.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.63 : 29,299.43 = 5,678.63 : x
  2. Step 2: Convert to fraction form
    19,529.63/29,299.43 = 5,678.63/x
  3. Step 3: Cross multiply
    19,529.63x = 29,299.43 × 5,678.63
  4. Step 4: Simplify right side
    19,529.63x = 166,380,489.88
  5. Step 5: Solve for x
    x = 166,380,489.88/19,529.63
  6. Step 6: Final answer
    x = 8,519.39

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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.