Home / 26,429.31-39,634.09-10,629.01

Finding the Fourth Proportional to 26,429.31, 39,634.09 and 10,629.01

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Solution

The fourth proportional to 26,429.31, 39,634.09 and 10,629.01 is: 15,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,429.31 : 39,634.09 = 10,629.01 : x
  2. Step 2: Convert to fraction form
    26,429.31/39,634.09 = 10,629.01/x
  3. Step 3: Cross multiply
    26,429.31x = 39,634.09 × 10,629.01
  4. Step 4: Simplify right side
    26,429.31x = 421,270,938.98
  5. Step 5: Solve for x
    x = 421,270,938.98/26,429.31
  6. Step 6: Final answer
    x = 15,939.54

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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.