Home / 13,834.94-19,091.66-8,171.52

Finding the Fourth Proportional to 13,834.94, 19,091.66 and 8,171.52

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Solution

The fourth proportional to 13,834.94, 19,091.66 and 8,171.52 is: 11,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,834.94 : 19,091.66 = 8,171.52 : x
  2. Step 2: Convert to fraction form
    13,834.94/19,091.66 = 8,171.52/x
  3. Step 3: Cross multiply
    13,834.94x = 19,091.66 × 8,171.52
  4. Step 4: Simplify right side
    13,834.94x = 156,007,881.52
  5. Step 5: Solve for x
    x = 156,007,881.52/13,834.94
  6. Step 6: Final answer
    x = 11,276.37

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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.