Home / 15,825.05-23,738.93-4,138.25

Finding the Fourth Proportional to 15,825.05, 23,738.93 and 4,138.25

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Solution

The fourth proportional to 15,825.05, 23,738.93 and 4,138.25 is: 6,207.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.05 : 23,738.93 = 4,138.25 : x
  2. Step 2: Convert to fraction form
    15,825.05/23,738.93 = 4,138.25/x
  3. Step 3: Cross multiply
    15,825.05x = 23,738.93 × 4,138.25
  4. Step 4: Simplify right side
    15,825.05x = 98,237,627.07
  5. Step 5: Solve for x
    x = 98,237,627.07/15,825.05
  6. Step 6: Final answer
    x = 6,207.73

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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.