Home / 12,825.66-19,238.29-10,629.75

Finding the Fourth Proportional to 12,825.66, 19,238.29 and 10,629.75

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Solution

The fourth proportional to 12,825.66, 19,238.29 and 10,629.75 is: 15,944.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,825.66 : 19,238.29 = 10,629.75 : x
  2. Step 2: Convert to fraction form
    12,825.66/19,238.29 = 10,629.75/x
  3. Step 3: Cross multiply
    12,825.66x = 19,238.29 × 10,629.75
  4. Step 4: Simplify right side
    12,825.66x = 204,498,213.13
  5. Step 5: Solve for x
    x = 204,498,213.13/12,825.66
  6. Step 6: Final answer
    x = 15,944.46

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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.