Home / 16,381.22-22,607.96-9,114.03

Finding the Fourth Proportional to 16,381.22, 22,607.96 and 9,114.03

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Solution

The fourth proportional to 16,381.22, 22,607.96 and 9,114.03 is: 12,578.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,381.22 : 22,607.96 = 9,114.03 : x
  2. Step 2: Convert to fraction form
    16,381.22/22,607.96 = 9,114.03/x
  3. Step 3: Cross multiply
    16,381.22x = 22,607.96 × 9,114.03
  4. Step 4: Simplify right side
    16,381.22x = 206,049,625.68
  5. Step 5: Solve for x
    x = 206,049,625.68/16,381.22
  6. Step 6: Final answer
    x = 12,578.41

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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.