Home / 21,758.22-30,026.37-11,822.22

Finding the Fourth Proportional to 21,758.22, 30,026.37 and 11,822.22

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Solution

The fourth proportional to 21,758.22, 30,026.37 and 11,822.22 is: 16,314.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,758.22 : 30,026.37 = 11,822.22 : x
  2. Step 2: Convert to fraction form
    21,758.22/30,026.37 = 11,822.22/x
  3. Step 3: Cross multiply
    21,758.22x = 30,026.37 × 11,822.22
  4. Step 4: Simplify right side
    21,758.22x = 354,978,351.94
  5. Step 5: Solve for x
    x = 354,978,351.94/21,758.22
  6. Step 6: Final answer
    x = 16,314.68

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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.