Home / 14,619.98-21,930.24-4,759.22

Finding the Fourth Proportional to 14,619.98, 21,930.24 and 4,759.22

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Solution

The fourth proportional to 14,619.98, 21,930.24 and 4,759.22 is: 7,138.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.98 : 21,930.24 = 4,759.22 : x
  2. Step 2: Convert to fraction form
    14,619.98/21,930.24 = 4,759.22/x
  3. Step 3: Cross multiply
    14,619.98x = 21,930.24 × 4,759.22
  4. Step 4: Simplify right side
    14,619.98x = 104,370,836.81
  5. Step 5: Solve for x
    x = 104,370,836.81/14,619.98
  6. Step 6: Final answer
    x = 7,138.92

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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.