Home / 12,007.80-17,974.79-10,236.33

Finding the Fourth Proportional to 12,007.80, 17,974.79 and 10,236.33

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Solution

The fourth proportional to 12,007.80, 17,974.79 and 10,236.33 is: 15,323.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,007.80 : 17,974.79 = 10,236.33 : x
  2. Step 2: Convert to fraction form
    12,007.80/17,974.79 = 10,236.33/x
  3. Step 3: Cross multiply
    12,007.80x = 17,974.79 × 10,236.33
  4. Step 4: Simplify right side
    12,007.80x = 183,995,835.62
  5. Step 5: Solve for x
    x = 183,995,835.62/12,007.80
  6. Step 6: Final answer
    x = 15,323.03

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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.