Home / 25,129.85-37,668.14-11,791.58

Finding the Fourth Proportional to 25,129.85, 37,668.14 and 11,791.58

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Solution

The fourth proportional to 25,129.85, 37,668.14 and 11,791.58 is: 17,674.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,129.85 : 37,668.14 = 11,791.58 : x
  2. Step 2: Convert to fraction form
    25,129.85/37,668.14 = 11,791.58/x
  3. Step 3: Cross multiply
    25,129.85x = 37,668.14 × 11,791.58
  4. Step 4: Simplify right side
    25,129.85x = 444,166,683.18
  5. Step 5: Solve for x
    x = 444,166,683.18/25,129.85
  6. Step 6: Final answer
    x = 17,674.87

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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.