Home / 19,950.24-29,930.48-7,470.44

Finding the Fourth Proportional to 19,950.24, 29,930.48 and 7,470.44

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Solution

The fourth proportional to 19,950.24, 29,930.48 and 7,470.44 is: 11,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.24 : 29,930.48 = 7,470.44 : x
  2. Step 2: Convert to fraction form
    19,950.24/29,930.48 = 7,470.44/x
  3. Step 3: Cross multiply
    19,950.24x = 29,930.48 × 7,470.44
  4. Step 4: Simplify right side
    19,950.24x = 223,593,855.01
  5. Step 5: Solve for x
    x = 223,593,855.01/19,950.24
  6. Step 6: Final answer
    x = 11,207.58

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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.