Home / 19,983.92-29,965.59-10,629.02

Finding the Fourth Proportional to 19,983.92, 29,965.59 and 10,629.02

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Solution

The fourth proportional to 19,983.92, 29,965.59 and 10,629.02 is: 15,938.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,983.92 : 29,965.59 = 10,629.02 : x
  2. Step 2: Convert to fraction form
    19,983.92/29,965.59 = 10,629.02/x
  3. Step 3: Cross multiply
    19,983.92x = 29,965.59 × 10,629.02
  4. Step 4: Simplify right side
    19,983.92x = 318,504,705.59
  5. Step 5: Solve for x
    x = 318,504,705.59/19,983.92
  6. Step 6: Final answer
    x = 15,938.05

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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.