Home / 19,229.86-26,534.94-11,161.65

Finding the Fourth Proportional to 19,229.86, 26,534.94 and 11,161.65

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Solution

The fourth proportional to 19,229.86, 26,534.94 and 11,161.65 is: 15,401.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,229.86 : 26,534.94 = 11,161.65 : x
  2. Step 2: Convert to fraction form
    19,229.86/26,534.94 = 11,161.65/x
  3. Step 3: Cross multiply
    19,229.86x = 26,534.94 × 11,161.65
  4. Step 4: Simplify right side
    19,229.86x = 296,173,713.05
  5. Step 5: Solve for x
    x = 296,173,713.05/19,229.86
  6. Step 6: Final answer
    x = 15,401.77

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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.