Home / 19,961.49-29,947.37-7,481.69

Finding the Fourth Proportional to 19,961.49, 29,947.37 and 7,481.69

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Solution

The fourth proportional to 19,961.49, 29,947.37 and 7,481.69 is: 11,224.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.49 : 29,947.37 = 7,481.69 : x
  2. Step 2: Convert to fraction form
    19,961.49/29,947.37 = 7,481.69/x
  3. Step 3: Cross multiply
    19,961.49x = 29,947.37 × 7,481.69
  4. Step 4: Simplify right side
    19,961.49x = 224,056,751.51
  5. Step 5: Solve for x
    x = 224,056,751.51/19,961.49
  6. Step 6: Final answer
    x = 11,224.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.