Home / 17,515.22-26,258.64-11,954.57

Finding the Fourth Proportional to 17,515.22, 26,258.64 and 11,954.57

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Solution

The fourth proportional to 17,515.22, 26,258.64 and 11,954.57 is: 17,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.22 : 26,258.64 = 11,954.57 : x
  2. Step 2: Convert to fraction form
    17,515.22/26,258.64 = 11,954.57/x
  3. Step 3: Cross multiply
    17,515.22x = 26,258.64 × 11,954.57
  4. Step 4: Simplify right side
    17,515.22x = 313,910,749.98
  5. Step 5: Solve for x
    x = 313,910,749.98/17,515.22
  6. Step 6: Final answer
    x = 17,922.17

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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.