Home / 17,133.88-25,703.37-5,286.67

Finding the Fourth Proportional to 17,133.88, 25,703.37 and 5,286.67

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Solution

The fourth proportional to 17,133.88, 25,703.37 and 5,286.67 is: 7,930.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,133.88 : 25,703.37 = 5,286.67 : x
  2. Step 2: Convert to fraction form
    17,133.88/25,703.37 = 5,286.67/x
  3. Step 3: Cross multiply
    17,133.88x = 25,703.37 × 5,286.67
  4. Step 4: Simplify right side
    17,133.88x = 135,885,106.56
  5. Step 5: Solve for x
    x = 135,885,106.56/17,133.88
  6. Step 6: Final answer
    x = 7,930.79

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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.