Home / 25,849.53-38,708.48-20,644.47

Finding the Fourth Proportional to 25,849.53, 38,708.48 and 20,644.47

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Solution

The fourth proportional to 25,849.53, 38,708.48 and 20,644.47 is: 30,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,849.53 : 38,708.48 = 20,644.47 : x
  2. Step 2: Convert to fraction form
    25,849.53/38,708.48 = 20,644.47/x
  3. Step 3: Cross multiply
    25,849.53x = 38,708.48 × 20,644.47
  4. Step 4: Simplify right side
    25,849.53x = 799,116,105.72
  5. Step 5: Solve for x
    x = 799,116,105.72/25,849.53
  6. Step 6: Final answer
    x = 30,914.14

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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.