Home / 17,629.07-26,408.34-10,605.21

Finding the Fourth Proportional to 17,629.07, 26,408.34 and 10,605.21

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Solution

The fourth proportional to 17,629.07, 26,408.34 and 10,605.21 is: 15,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,629.07 : 26,408.34 = 10,605.21 : x
  2. Step 2: Convert to fraction form
    17,629.07/26,408.34 = 10,605.21/x
  3. Step 3: Cross multiply
    17,629.07x = 26,408.34 × 10,605.21
  4. Step 4: Simplify right side
    17,629.07x = 280,065,991.45
  5. Step 5: Solve for x
    x = 280,065,991.45/17,629.07
  6. Step 6: Final answer
    x = 15,886.60

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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.