Home / 17,198.75-23,738.19-10,127.45

Finding the Fourth Proportional to 17,198.75, 23,738.19 and 10,127.45

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Solution

The fourth proportional to 17,198.75, 23,738.19 and 10,127.45 is: 13,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,198.75 : 23,738.19 = 10,127.45 : x
  2. Step 2: Convert to fraction form
    17,198.75/23,738.19 = 10,127.45/x
  3. Step 3: Cross multiply
    17,198.75x = 23,738.19 × 10,127.45
  4. Step 4: Simplify right side
    17,198.75x = 240,407,332.32
  5. Step 5: Solve for x
    x = 240,407,332.32/17,198.75
  6. Step 6: Final answer
    x = 13,978.19

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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.