Home / 14,163.75-21,246.84-6,774.12

Finding the Fourth Proportional to 14,163.75, 21,246.84 and 6,774.12

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Solution

The fourth proportional to 14,163.75, 21,246.84 and 6,774.12 is: 10,161.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.75 : 21,246.84 = 6,774.12 : x
  2. Step 2: Convert to fraction form
    14,163.75/21,246.84 = 6,774.12/x
  3. Step 3: Cross multiply
    14,163.75x = 21,246.84 × 6,774.12
  4. Step 4: Simplify right side
    14,163.75x = 143,928,643.78
  5. Step 5: Solve for x
    x = 143,928,643.78/14,163.75
  6. Step 6: Final answer
    x = 10,161.76

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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.