Home / 19,131.93-26,414.51-11,684.25

Finding the Fourth Proportional to 19,131.93, 26,414.51 and 11,684.25

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Solution

The fourth proportional to 19,131.93, 26,414.51 and 11,684.25 is: 16,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,131.93 : 26,414.51 = 11,684.25 : x
  2. Step 2: Convert to fraction form
    19,131.93/26,414.51 = 11,684.25/x
  3. Step 3: Cross multiply
    19,131.93x = 26,414.51 × 11,684.25
  4. Step 4: Simplify right side
    19,131.93x = 308,633,680.05
  5. Step 5: Solve for x
    x = 308,633,680.05/19,131.93
  6. Step 6: Final answer
    x = 16,131.86

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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.