Home / 14,299.64-21,450.41-4,940.57

Finding the Fourth Proportional to 14,299.64, 21,450.41 and 4,940.57

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Solution

The fourth proportional to 14,299.64, 21,450.41 and 4,940.57 is: 7,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.64 : 21,450.41 = 4,940.57 : x
  2. Step 2: Convert to fraction form
    14,299.64/21,450.41 = 4,940.57/x
  3. Step 3: Cross multiply
    14,299.64x = 21,450.41 × 4,940.57
  4. Step 4: Simplify right side
    14,299.64x = 105,977,120.18
  5. Step 5: Solve for x
    x = 105,977,120.18/14,299.64
  6. Step 6: Final answer
    x = 7,411.18

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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.