Home / 19,863.86-29,935.26-17,891.96

Finding the Fourth Proportional to 19,863.86, 29,935.26 and 17,891.96

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Solution

The fourth proportional to 19,863.86, 29,935.26 and 17,891.96 is: 26,963.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,863.86 : 29,935.26 = 17,891.96 : x
  2. Step 2: Convert to fraction form
    19,863.86/29,935.26 = 17,891.96/x
  3. Step 3: Cross multiply
    19,863.86x = 29,935.26 × 17,891.96
  4. Step 4: Simplify right side
    19,863.86x = 535,600,324.83
  5. Step 5: Solve for x
    x = 535,600,324.83/19,863.86
  6. Step 6: Final answer
    x = 26,963.56

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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.