Home / 19,429.73-29,141.49-6,947.43

Finding the Fourth Proportional to 19,429.73, 29,141.49 and 6,947.43

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Solution

The fourth proportional to 19,429.73, 29,141.49 and 6,947.43 is: 10,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,429.73 : 29,141.49 = 6,947.43 : x
  2. Step 2: Convert to fraction form
    19,429.73/29,141.49 = 6,947.43/x
  3. Step 3: Cross multiply
    19,429.73x = 29,141.49 × 6,947.43
  4. Step 4: Simplify right side
    19,429.73x = 202,458,461.87
  5. Step 5: Solve for x
    x = 202,458,461.87/19,429.73
  6. Step 6: Final answer
    x = 10,420.03

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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.