Home / 17,431.70-26,149.41-5,581.24

Finding the Fourth Proportional to 17,431.70, 26,149.41 and 5,581.24

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Solution

The fourth proportional to 17,431.70, 26,149.41 and 5,581.24 is: 8,372.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,431.70 : 26,149.41 = 5,581.24 : x
  2. Step 2: Convert to fraction form
    17,431.70/26,149.41 = 5,581.24/x
  3. Step 3: Cross multiply
    17,431.70x = 26,149.41 × 5,581.24
  4. Step 4: Simplify right side
    17,431.70x = 145,946,186.68
  5. Step 5: Solve for x
    x = 145,946,186.68/17,431.70
  6. Step 6: Final answer
    x = 8,372.46

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1.5x scale

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.