Finding the Fourth Proportional to 18,958.24, 26,148 and 11,404
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Solution
The fourth proportional to 18,958.24, 26,148 and 11,404 is: 15,728.88
Step by Step Solution
- Step 1: Write the proportion equation
18,958.24 : 26,148 = 11,404 : x - Step 2: Convert to fraction form
18,958.24/26,148 = 11,404/x - Step 3: Cross multiply
18,958.24x = 26,148 × 11,404 - Step 4: Simplify right side
18,958.24x = 298,191,792 - Step 5: Solve for x
x = 298,191,792/18,958.24 - Step 6: Final answer
x = 15,728.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.