Finding the Fourth Proportional to 19,218, 28,827 and 4,626
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Solution
The fourth proportional to 19,218, 28,827 and 4,626 is: 6,939
Step by Step Solution
- Step 1: Write the proportion equation
19,218 : 28,827 = 4,626 : x - Step 2: Convert to fraction form
19,218/28,827 = 4,626/x - Step 3: Cross multiply
19,218x = 28,827 × 4,626 - Step 4: Simplify right side
19,218x = 133,353,702 - Step 5: Solve for x
x = 133,353,702/19,218 - Step 6: Final answer
x = 6,939
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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.