Home / 14,135.10-21,183.03-6,225.75

Finding the Fourth Proportional to 14,135.10, 21,183.03 and 6,225.75

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Solution

The fourth proportional to 14,135.10, 21,183.03 and 6,225.75 is: 9,329.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.10 : 21,183.03 = 6,225.75 : x
  2. Step 2: Convert to fraction form
    14,135.10/21,183.03 = 6,225.75/x
  3. Step 3: Cross multiply
    14,135.10x = 21,183.03 × 6,225.75
  4. Step 4: Simplify right side
    14,135.10x = 131,880,301.98
  5. Step 5: Solve for x
    x = 131,880,301.98/14,135.10
  6. Step 6: Final answer
    x = 9,329.99

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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.