Home / 17,757.81-26,617.77-13,361.67

Finding the Fourth Proportional to 17,757.81, 26,617.77 and 13,361.67

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Solution

The fourth proportional to 17,757.81, 26,617.77 and 13,361.67 is: 20,028.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757.81 : 26,617.77 = 13,361.67 : x
  2. Step 2: Convert to fraction form
    17,757.81/26,617.77 = 13,361.67/x
  3. Step 3: Cross multiply
    17,757.81x = 26,617.77 × 13,361.67
  4. Step 4: Simplify right side
    17,757.81x = 355,657,858.88
  5. Step 5: Solve for x
    x = 355,657,858.88/17,757.81
  6. Step 6: Final answer
    x = 20,028.25

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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.