Finding the Fourth Proportional to 19,886.02, 27,442 and 10,933.46
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Solution
The fourth proportional to 19,886.02, 27,442 and 10,933.46 is: 15,087.79
Step by Step Solution
- Step 1: Write the proportion equation
19,886.02 : 27,442 = 10,933.46 : x - Step 2: Convert to fraction form
19,886.02/27,442 = 10,933.46/x - Step 3: Cross multiply
19,886.02x = 27,442 × 10,933.46 - Step 4: Simplify right side
19,886.02x = 300,036,009.32 - Step 5: Solve for x
x = 300,036,009.32/19,886.02 - Step 6: Final answer
x = 15,087.79
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1.5x scale
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.