Home / 19,736.79-27,236.75-11,238.47

Finding the Fourth Proportional to 19,736.79, 27,236.75 and 11,238.47

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Solution

The fourth proportional to 19,736.79, 27,236.75 and 11,238.47 is: 15,509.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.79 : 27,236.75 = 11,238.47 : x
  2. Step 2: Convert to fraction form
    19,736.79/27,236.75 = 11,238.47/x
  3. Step 3: Cross multiply
    19,736.79x = 27,236.75 × 11,238.47
  4. Step 4: Simplify right side
    19,736.79x = 306,099,205.40
  5. Step 5: Solve for x
    x = 306,099,205.40/19,736.79
  6. Step 6: Final answer
    x = 15,509.07

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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.