Home / 15,912.06-21,954.66-8,836.74

Finding the Fourth Proportional to 15,912.06, 21,954.66 and 8,836.74

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Solution

The fourth proportional to 15,912.06, 21,954.66 and 8,836.74 is: 12,192.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.06 : 21,954.66 = 8,836.74 : x
  2. Step 2: Convert to fraction form
    15,912.06/21,954.66 = 8,836.74/x
  3. Step 3: Cross multiply
    15,912.06x = 21,954.66 × 8,836.74
  4. Step 4: Simplify right side
    15,912.06x = 194,007,622.21
  5. Step 5: Solve for x
    x = 194,007,622.21/15,912.06
  6. Step 6: Final answer
    x = 12,192.49

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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.