Finding the Fourth Proportional to 17,826.08, 24,585.12 and 13,360.48
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Solution
The fourth proportional to 17,826.08, 24,585.12 and 13,360.48 is: 18,426.32
Step by Step Solution
- Step 1: Write the proportion equation
17,826.08 : 24,585.12 = 13,360.48 : x - Step 2: Convert to fraction form
17,826.08/24,585.12 = 13,360.48/x - Step 3: Cross multiply
17,826.08x = 24,585.12 × 13,360.48 - Step 4: Simplify right side
17,826.08x = 328,469,004.06 - Step 5: Solve for x
x = 328,469,004.06/17,826.08 - Step 6: Final answer
x = 18,426.32
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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.