Home / 15,825.24-23,738.09-4,138.46

Finding the Fourth Proportional to 15,825.24, 23,738.09 and 4,138.46

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Solution

The fourth proportional to 15,825.24, 23,738.09 and 4,138.46 is: 6,207.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.24 : 23,738.09 = 4,138.46 : x
  2. Step 2: Convert to fraction form
    15,825.24/23,738.09 = 4,138.46/x
  3. Step 3: Cross multiply
    15,825.24x = 23,738.09 × 4,138.46
  4. Step 4: Simplify right side
    15,825.24x = 98,239,135.94
  5. Step 5: Solve for x
    x = 98,239,135.94/15,825.24
  6. Step 6: Final answer
    x = 6,207.75

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1.5x scale

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.