Home / 14,112.06-21,168.08-4,251.33

Finding the Fourth Proportional to 14,112.06, 21,168.08 and 4,251.33

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Solution

The fourth proportional to 14,112.06, 21,168.08 and 4,251.33 is: 6,376.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,112.06 : 21,168.08 = 4,251.33 : x
  2. Step 2: Convert to fraction form
    14,112.06/21,168.08 = 4,251.33/x
  3. Step 3: Cross multiply
    14,112.06x = 21,168.08 × 4,251.33
  4. Step 4: Simplify right side
    14,112.06x = 89,992,493.55
  5. Step 5: Solve for x
    x = 89,992,493.55/14,112.06
  6. Step 6: Final answer
    x = 6,376.99

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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.