Home / 16,436.28-22,680.90-9,361.38

Finding the Fourth Proportional to 16,436.28, 22,680.90 and 9,361.38

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Solution

The fourth proportional to 16,436.28, 22,680.90 and 9,361.38 is: 12,918.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,436.28 : 22,680.90 = 9,361.38 : x
  2. Step 2: Convert to fraction form
    16,436.28/22,680.90 = 9,361.38/x
  3. Step 3: Cross multiply
    16,436.28x = 22,680.90 × 9,361.38
  4. Step 4: Simplify right side
    16,436.28x = 212,324,523.64
  5. Step 5: Solve for x
    x = 212,324,523.64/16,436.28
  6. Step 6: Final answer
    x = 12,918.04

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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.