Home / 18,825.16-25,975.38-11,750.44

Finding the Fourth Proportional to 18,825.16, 25,975.38 and 11,750.44

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Solution

The fourth proportional to 18,825.16, 25,975.38 and 11,750.44 is: 16,213.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,825.16 : 25,975.38 = 11,750.44 : x
  2. Step 2: Convert to fraction form
    18,825.16/25,975.38 = 11,750.44/x
  3. Step 3: Cross multiply
    18,825.16x = 25,975.38 × 11,750.44
  4. Step 4: Simplify right side
    18,825.16x = 305,222,144.17
  5. Step 5: Solve for x
    x = 305,222,144.17/18,825.16
  6. Step 6: Final answer
    x = 16,213.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.