Home / 13,836.27-19,096.49-8,170.65

Finding the Fourth Proportional to 13,836.27, 19,096.49 and 8,170.65

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Solution

The fourth proportional to 13,836.27, 19,096.49 and 8,170.65 is: 11,276.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.27 : 19,096.49 = 8,170.65 : x
  2. Step 2: Convert to fraction form
    13,836.27/19,096.49 = 8,170.65/x
  3. Step 3: Cross multiply
    13,836.27x = 19,096.49 × 8,170.65
  4. Step 4: Simplify right side
    13,836.27x = 156,030,736.02
  5. Step 5: Solve for x
    x = 156,030,736.02/13,836.27
  6. Step 6: Final answer
    x = 11,276.94

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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.