Home / 18,696.49-25,801.64-10,198.75

Finding the Fourth Proportional to 18,696.49, 25,801.64 and 10,198.75

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Solution

The fourth proportional to 18,696.49, 25,801.64 and 10,198.75 is: 14,074.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696.49 : 25,801.64 = 10,198.75 : x
  2. Step 2: Convert to fraction form
    18,696.49/25,801.64 = 10,198.75/x
  3. Step 3: Cross multiply
    18,696.49x = 25,801.64 × 10,198.75
  4. Step 4: Simplify right side
    18,696.49x = 263,144,424.96
  5. Step 5: Solve for x
    x = 263,144,424.96/18,696.49
  6. Step 6: Final answer
    x = 14,074.54

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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.