Finding the Fourth Proportional to 14,161.12, 21,246 and 7,240.48
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Solution
The fourth proportional to 14,161.12, 21,246 and 7,240.48 is: 10,862.93
Step by Step Solution
- Step 1: Write the proportion equation
14,161.12 : 21,246 = 7,240.48 : x - Step 2: Convert to fraction form
14,161.12/21,246 = 7,240.48/x - Step 3: Cross multiply
14,161.12x = 21,246 × 7,240.48 - Step 4: Simplify right side
14,161.12x = 153,831,238.08 - Step 5: Solve for x
x = 153,831,238.08/14,161.12 - Step 6: Final answer
x = 10,862.93
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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.