Home / 17,900.26-26,861.28-11,317.36

Finding the Fourth Proportional to 17,900.26, 26,861.28 and 11,317.36

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Solution

The fourth proportional to 17,900.26, 26,861.28 and 11,317.36 is: 16,982.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,900.26 : 26,861.28 = 11,317.36 : x
  2. Step 2: Convert to fraction form
    17,900.26/26,861.28 = 11,317.36/x
  3. Step 3: Cross multiply
    17,900.26x = 26,861.28 × 11,317.36
  4. Step 4: Simplify right side
    17,900.26x = 303,998,775.82
  5. Step 5: Solve for x
    x = 303,998,775.82/17,900.26
  6. Step 6: Final answer
    x = 16,982.93

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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.