Home / 17,364.57-26,012.12-7,991.75

Finding the Fourth Proportional to 17,364.57, 26,012.12 and 7,991.75

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Solution

The fourth proportional to 17,364.57, 26,012.12 and 7,991.75 is: 11,971.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,364.57 : 26,012.12 = 7,991.75 : x
  2. Step 2: Convert to fraction form
    17,364.57/26,012.12 = 7,991.75/x
  3. Step 3: Cross multiply
    17,364.57x = 26,012.12 × 7,991.75
  4. Step 4: Simplify right side
    17,364.57x = 207,882,189.99
  5. Step 5: Solve for x
    x = 207,882,189.99/17,364.57
  6. Step 6: Final answer
    x = 11,971.63

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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.