Home / 14,150.71-21,230.67-6,754.21

Finding the Fourth Proportional to 14,150.71, 21,230.67 and 6,754.21

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Solution

The fourth proportional to 14,150.71, 21,230.67 and 6,754.21 is: 10,133.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.71 : 21,230.67 = 6,754.21 : x
  2. Step 2: Convert to fraction form
    14,150.71/21,230.67 = 6,754.21/x
  3. Step 3: Cross multiply
    14,150.71x = 21,230.67 × 6,754.21
  4. Step 4: Simplify right side
    14,150.71x = 143,396,403.62
  5. Step 5: Solve for x
    x = 143,396,403.62/14,150.71
  6. Step 6: Final answer
    x = 10,133.51

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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.