Home / 19,530.57-29,289.87-7,049.07

Finding the Fourth Proportional to 19,530.57, 29,289.87 and 7,049.07

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Solution

The fourth proportional to 19,530.57, 29,289.87 and 7,049.07 is: 10,571.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,530.57 : 29,289.87 = 7,049.07 : x
  2. Step 2: Convert to fraction form
    19,530.57/29,289.87 = 7,049.07/x
  3. Step 3: Cross multiply
    19,530.57x = 29,289.87 × 7,049.07
  4. Step 4: Simplify right side
    19,530.57x = 206,466,343.92
  5. Step 5: Solve for x
    x = 206,466,343.92/19,530.57
  6. Step 6: Final answer
    x = 10,571.44

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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.