Home / 25,743.99-38,530.28-19,469.43

Finding the Fourth Proportional to 25,743.99, 38,530.28 and 19,469.43

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Solution

The fourth proportional to 25,743.99, 38,530.28 and 19,469.43 is: 29,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,743.99 : 38,530.28 = 19,469.43 : x
  2. Step 2: Convert to fraction form
    25,743.99/38,530.28 = 19,469.43/x
  3. Step 3: Cross multiply
    25,743.99x = 38,530.28 × 19,469.43
  4. Step 4: Simplify right side
    25,743.99x = 750,162,638.01
  5. Step 5: Solve for x
    x = 750,162,638.01/25,743.99
  6. Step 6: Final answer
    x = 29,139.33

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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.