Home / 16,204.08-22,361.50-9,132.78

Finding the Fourth Proportional to 16,204.08, 22,361.50 and 9,132.78

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Solution

The fourth proportional to 16,204.08, 22,361.50 and 9,132.78 is: 12,603.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,204.08 : 22,361.50 = 9,132.78 : x
  2. Step 2: Convert to fraction form
    16,204.08/22,361.50 = 9,132.78/x
  3. Step 3: Cross multiply
    16,204.08x = 22,361.50 × 9,132.78
  4. Step 4: Simplify right side
    16,204.08x = 204,222,659.97
  5. Step 5: Solve for x
    x = 204,222,659.97/16,204.08
  6. Step 6: Final answer
    x = 12,603.16

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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.