Home / 22,052.88-30,435.64-12,621.24

Finding the Fourth Proportional to 22,052.88, 30,435.64 and 12,621.24

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Solution

The fourth proportional to 22,052.88, 30,435.64 and 12,621.24 is: 17,418.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,052.88 : 30,435.64 = 12,621.24 : x
  2. Step 2: Convert to fraction form
    22,052.88/30,435.64 = 12,621.24/x
  3. Step 3: Cross multiply
    22,052.88x = 30,435.64 × 12,621.24
  4. Step 4: Simplify right side
    22,052.88x = 384,135,516.99
  5. Step 5: Solve for x
    x = 384,135,516.99/22,052.88
  6. Step 6: Final answer
    x = 17,418.84

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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.