Home / 25,744.99-38,531.78-19,470.43

Finding the Fourth Proportional to 25,744.99, 38,531.78 and 19,470.43

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Solution

The fourth proportional to 25,744.99, 38,531.78 and 19,470.43 is: 29,140.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,744.99 : 38,531.78 = 19,470.43 : x
  2. Step 2: Convert to fraction form
    25,744.99/38,531.78 = 19,470.43/x
  3. Step 3: Cross multiply
    25,744.99x = 38,531.78 × 19,470.43
  4. Step 4: Simplify right side
    25,744.99x = 750,230,325.27
  5. Step 5: Solve for x
    x = 750,230,325.27/25,744.99
  6. Step 6: Final answer
    x = 29,140.83

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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.