Home / 19,631.94-27,091.47-11,134.83

Finding the Fourth Proportional to 19,631.94, 27,091.47 and 11,134.83

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Solution

The fourth proportional to 19,631.94, 27,091.47 and 11,134.83 is: 15,365.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.94 : 27,091.47 = 11,134.83 : x
  2. Step 2: Convert to fraction form
    19,631.94/27,091.47 = 11,134.83/x
  3. Step 3: Cross multiply
    19,631.94x = 27,091.47 × 11,134.83
  4. Step 4: Simplify right side
    19,631.94x = 301,658,912.90
  5. Step 5: Solve for x
    x = 301,658,912.90/19,631.94
  6. Step 6: Final answer
    x = 15,365.72

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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.