Home / 19,149.13-26,425.80-11,198.03

Finding the Fourth Proportional to 19,149.13, 26,425.80 and 11,198.03

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Solution

The fourth proportional to 19,149.13, 26,425.80 and 11,198.03 is: 15,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,149.13 : 26,425.80 = 11,198.03 : x
  2. Step 2: Convert to fraction form
    19,149.13/26,425.80 = 11,198.03/x
  3. Step 3: Cross multiply
    19,149.13x = 26,425.80 × 11,198.03
  4. Step 4: Simplify right side
    19,149.13x = 295,916,845.18
  5. Step 5: Solve for x
    x = 295,916,845.18/19,149.13
  6. Step 6: Final answer
    x = 15,453.28

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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.