Home / 19,193.68-28,782.92-9,330.04

Finding the Fourth Proportional to 19,193.68, 28,782.92 and 9,330.04

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Solution

The fourth proportional to 19,193.68, 28,782.92 and 9,330.04 is: 13,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.68 : 28,782.92 = 9,330.04 : x
  2. Step 2: Convert to fraction form
    19,193.68/28,782.92 = 9,330.04/x
  3. Step 3: Cross multiply
    19,193.68x = 28,782.92 × 9,330.04
  4. Step 4: Simplify right side
    19,193.68x = 268,545,794.92
  5. Step 5: Solve for x
    x = 268,545,794.92/19,193.68
  6. Step 6: Final answer
    x = 13,991.37

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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.