Home / 14,643.16-21,961.45-6,738.10

Finding the Fourth Proportional to 14,643.16, 21,961.45 and 6,738.10

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Solution

The fourth proportional to 14,643.16, 21,961.45 and 6,738.10 is: 10,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,643.16 : 21,961.45 = 6,738.10 : x
  2. Step 2: Convert to fraction form
    14,643.16/21,961.45 = 6,738.10/x
  3. Step 3: Cross multiply
    14,643.16x = 21,961.45 × 6,738.10
  4. Step 4: Simplify right side
    14,643.16x = 147,978,336.44
  5. Step 5: Solve for x
    x = 147,978,336.44/14,643.16
  6. Step 6: Final answer
    x = 10,105.63

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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.