Home / 14,623.81-21,940.58-4,763.41

Finding the Fourth Proportional to 14,623.81, 21,940.58 and 4,763.41

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Solution

The fourth proportional to 14,623.81, 21,940.58 and 4,763.41 is: 7,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,623.81 : 21,940.58 = 4,763.41 : x
  2. Step 2: Convert to fraction form
    14,623.81/21,940.58 = 4,763.41/x
  3. Step 3: Cross multiply
    14,623.81x = 21,940.58 × 4,763.41
  4. Step 4: Simplify right side
    14,623.81x = 104,511,978.18
  5. Step 5: Solve for x
    x = 104,511,978.18/14,623.81
  6. Step 6: Final answer
    x = 7,146.70

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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.