Home / 14,163.19-21,245.23-4,302.55

Finding the Fourth Proportional to 14,163.19, 21,245.23 and 4,302.55

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Solution

The fourth proportional to 14,163.19, 21,245.23 and 4,302.55 is: 6,453.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.19 : 21,245.23 = 4,302.55 : x
  2. Step 2: Convert to fraction form
    14,163.19/21,245.23 = 4,302.55/x
  3. Step 3: Cross multiply
    14,163.19x = 21,245.23 × 4,302.55
  4. Step 4: Simplify right side
    14,163.19x = 91,408,696.27
  5. Step 5: Solve for x
    x = 91,408,696.27/14,163.19
  6. Step 6: Final answer
    x = 6,453.96

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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.