Home / 19,561.76-26,998.97-11,608.37

Finding the Fourth Proportional to 19,561.76, 26,998.97 and 11,608.37

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Solution

The fourth proportional to 19,561.76, 26,998.97 and 11,608.37 is: 16,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,561.76 : 26,998.97 = 11,608.37 : x
  2. Step 2: Convert to fraction form
    19,561.76/26,998.97 = 11,608.37/x
  3. Step 3: Cross multiply
    19,561.76x = 26,998.97 × 11,608.37
  4. Step 4: Simplify right side
    19,561.76x = 313,413,840.34
  5. Step 5: Solve for x
    x = 313,413,840.34/19,561.76
  6. Step 6: Final answer
    x = 16,021.76

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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.