Finding the Fourth Proportional to 22,660.11, 33,986.66 and 11,574.99
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Solution
The fourth proportional to 22,660.11, 33,986.66 and 11,574.99 is: 17,360.69
Step by Step Solution
- Step 1: Write the proportion equation
22,660.11 : 33,986.66 = 11,574.99 : x - Step 2: Convert to fraction form
22,660.11/33,986.66 = 11,574.99/x - Step 3: Cross multiply
22,660.11x = 33,986.66 × 11,574.99 - Step 4: Simplify right side
22,660.11x = 393,395,191.76 - Step 5: Solve for x
x = 393,395,191.76/22,660.11 - Step 6: Final answer
x = 17,360.69
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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.