Finding the Fourth Proportional to 38,967.62, 58,437.08 and 14,000.99
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Solution
The fourth proportional to 38,967.62, 58,437.08 and 14,000.99 is: 20,996.33
Step by Step Solution
- Step 1: Write the proportion equation
38,967.62 : 58,437.08 = 14,000.99 : x - Step 2: Convert to fraction form
38,967.62/58,437.08 = 14,000.99/x - Step 3: Cross multiply
38,967.62x = 58,437.08 × 14,000.99 - Step 4: Simplify right side
38,967.62x = 818,176,902.70 - Step 5: Solve for x
x = 818,176,902.70/38,967.62 - Step 6: Final answer
x = 20,996.33
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Double scale
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1.5x scale
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.