Home / 19,736.84-27,236.81-11,238.96

Finding the Fourth Proportional to 19,736.84, 27,236.81 and 11,238.96

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Solution

The fourth proportional to 19,736.84, 27,236.81 and 11,238.96 is: 15,509.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.84 : 27,236.81 = 11,238.96 : x
  2. Step 2: Convert to fraction form
    19,736.84/27,236.81 = 11,238.96/x
  3. Step 3: Cross multiply
    19,736.84x = 27,236.81 × 11,238.96
  4. Step 4: Simplify right side
    19,736.84x = 306,113,399.55
  5. Step 5: Solve for x
    x = 306,113,399.55/19,736.84
  6. Step 6: Final answer
    x = 15,509.75

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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.