Home / 17,391.36-23,990.94-10,678.44

Finding the Fourth Proportional to 17,391.36, 23,990.94 and 10,678.44

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Solution

The fourth proportional to 17,391.36, 23,990.94 and 10,678.44 is: 14,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,391.36 : 23,990.94 = 10,678.44 : x
  2. Step 2: Convert to fraction form
    17,391.36/23,990.94 = 10,678.44/x
  3. Step 3: Cross multiply
    17,391.36x = 23,990.94 × 10,678.44
  4. Step 4: Simplify right side
    17,391.36x = 256,185,813.33
  5. Step 5: Solve for x
    x = 256,185,813.33/17,391.36
  6. Step 6: Final answer
    x = 14,730.64

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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.