Home / 12,350.21-18,617.58-11,299.33

Finding the Fourth Proportional to 12,350.21, 18,617.58 and 11,299.33

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Solution

The fourth proportional to 12,350.21, 18,617.58 and 11,299.33 is: 17,033.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.21 : 18,617.58 = 11,299.33 : x
  2. Step 2: Convert to fraction form
    12,350.21/18,617.58 = 11,299.33/x
  3. Step 3: Cross multiply
    12,350.21x = 18,617.58 × 11,299.33
  4. Step 4: Simplify right side
    12,350.21x = 210,366,203.49
  5. Step 5: Solve for x
    x = 210,366,203.49/12,350.21
  6. Step 6: Final answer
    x = 17,033.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.