Home / 19,200.26-26,499.75-15,251.51

Finding the Fourth Proportional to 19,200.26, 26,499.75 and 15,251.51

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Solution

The fourth proportional to 19,200.26, 26,499.75 and 15,251.51 is: 21,049.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,200.26 : 26,499.75 = 15,251.51 : x
  2. Step 2: Convert to fraction form
    19,200.26/26,499.75 = 15,251.51/x
  3. Step 3: Cross multiply
    19,200.26x = 26,499.75 × 15,251.51
  4. Step 4: Simplify right side
    19,200.26x = 404,161,202.12
  5. Step 5: Solve for x
    x = 404,161,202.12/19,200.26
  6. Step 6: Final answer
    x = 21,049.78

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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.