Home / 14,190.85-21,286.50-4,703.19

Finding the Fourth Proportional to 14,190.85, 21,286.50 and 4,703.19

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Solution

The fourth proportional to 14,190.85, 21,286.50 and 4,703.19 is: 7,054.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.85 : 21,286.50 = 4,703.19 : x
  2. Step 2: Convert to fraction form
    14,190.85/21,286.50 = 4,703.19/x
  3. Step 3: Cross multiply
    14,190.85x = 21,286.50 × 4,703.19
  4. Step 4: Simplify right side
    14,190.85x = 100,114,453.94
  5. Step 5: Solve for x
    x = 100,114,453.94/14,190.85
  6. Step 6: Final answer
    x = 7,054.86

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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.