Home / 17,120.67-23,629.22-10,408.40

Finding the Fourth Proportional to 17,120.67, 23,629.22 and 10,408.40

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Solution

The fourth proportional to 17,120.67, 23,629.22 and 10,408.40 is: 14,365.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,120.67 : 23,629.22 = 10,408.40 : x
  2. Step 2: Convert to fraction form
    17,120.67/23,629.22 = 10,408.40/x
  3. Step 3: Cross multiply
    17,120.67x = 23,629.22 × 10,408.40
  4. Step 4: Simplify right side
    17,120.67x = 245,942,330.90
  5. Step 5: Solve for x
    x = 245,942,330.90/17,120.67
  6. Step 6: Final answer
    x = 14,365.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.