Home / 19,520.26-26,936.25-11,561.14

Finding the Fourth Proportional to 19,520.26, 26,936.25 and 11,561.14

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Solution

The fourth proportional to 19,520.26, 26,936.25 and 11,561.14 is: 15,953.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,520.26 : 26,936.25 = 11,561.14 : x
  2. Step 2: Convert to fraction form
    19,520.26/26,936.25 = 11,561.14/x
  3. Step 3: Cross multiply
    19,520.26x = 26,936.25 × 11,561.14
  4. Step 4: Simplify right side
    19,520.26x = 311,413,757.33
  5. Step 5: Solve for x
    x = 311,413,757.33/19,520.26
  6. Step 6: Final answer
    x = 15,953.36

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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.