Home / 25,629.86-38,431.62-11,582.28

Finding the Fourth Proportional to 25,629.86, 38,431.62 and 11,582.28

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Solution

The fourth proportional to 25,629.86, 38,431.62 and 11,582.28 is: 17,367.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,629.86 : 38,431.62 = 11,582.28 : x
  2. Step 2: Convert to fraction form
    25,629.86/38,431.62 = 11,582.28/x
  3. Step 3: Cross multiply
    25,629.86x = 38,431.62 × 11,582.28
  4. Step 4: Simplify right side
    25,629.86x = 445,125,591.54
  5. Step 5: Solve for x
    x = 445,125,591.54/25,629.86
  6. Step 6: Final answer
    x = 17,367.46

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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.