Home / 19,393.24-26,755.96-11,433.78

Finding the Fourth Proportional to 19,393.24, 26,755.96 and 11,433.78

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Solution

The fourth proportional to 19,393.24, 26,755.96 and 11,433.78 is: 15,774.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.24 : 26,755.96 = 11,433.78 : x
  2. Step 2: Convert to fraction form
    19,393.24/26,755.96 = 11,433.78/x
  3. Step 3: Cross multiply
    19,393.24x = 26,755.96 × 11,433.78
  4. Step 4: Simplify right side
    19,393.24x = 305,921,760.33
  5. Step 5: Solve for x
    x = 305,921,760.33/19,393.24
  6. Step 6: Final answer
    x = 15,774.66

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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.