Home / 26,021.33-35,896.19-15,809.61

Finding the Fourth Proportional to 26,021.33, 35,896.19 and 15,809.61

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Solution

The fourth proportional to 26,021.33, 35,896.19 and 15,809.61 is: 21,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,021.33 : 35,896.19 = 15,809.61 : x
  2. Step 2: Convert to fraction form
    26,021.33/35,896.19 = 15,809.61/x
  3. Step 3: Cross multiply
    26,021.33x = 35,896.19 × 15,809.61
  4. Step 4: Simplify right side
    26,021.33x = 567,504,685.34
  5. Step 5: Solve for x
    x = 567,504,685.34/26,021.33
  6. Step 6: Final answer
    x = 21,809.22

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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.