Home / 14,087.62-19,442.82-8,119.18

Finding the Fourth Proportional to 14,087.62, 19,442.82 and 8,119.18

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Solution

The fourth proportional to 14,087.62, 19,442.82 and 8,119.18 is: 11,205.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.62 : 19,442.82 = 8,119.18 : x
  2. Step 2: Convert to fraction form
    14,087.62/19,442.82 = 8,119.18/x
  3. Step 3: Cross multiply
    14,087.62x = 19,442.82 × 8,119.18
  4. Step 4: Simplify right side
    14,087.62x = 157,859,755.29
  5. Step 5: Solve for x
    x = 157,859,755.29/14,087.62
  6. Step 6: Final answer
    x = 11,205.57

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Half scale
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Double scale
Find fourth proportional to 14,088.62, 19,444.20 and 8,120.18
Similar ratio
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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.