Home / 19,734.39-27,230.45-11,236.87

Finding the Fourth Proportional to 19,734.39, 27,230.45 and 11,236.87

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Solution

The fourth proportional to 19,734.39, 27,230.45 and 11,236.87 is: 15,505.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,734.39 : 27,230.45 = 11,236.87 : x
  2. Step 2: Convert to fraction form
    19,734.39/27,230.45 = 11,236.87/x
  3. Step 3: Cross multiply
    19,734.39x = 27,230.45 × 11,236.87
  4. Step 4: Simplify right side
    19,734.39x = 305,985,026.69
  5. Step 5: Solve for x
    x = 305,985,026.69/19,734.39
  6. Step 6: Final answer
    x = 15,505.17

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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.