Home / 14,619.70-21,929.76-4,759.04

Finding the Fourth Proportional to 14,619.70, 21,929.76 and 4,759.04

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Solution

The fourth proportional to 14,619.70, 21,929.76 and 4,759.04 is: 7,138.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,619.70 : 21,929.76 = 4,759.04 : x
  2. Step 2: Convert to fraction form
    14,619.70/21,929.76 = 4,759.04/x
  3. Step 3: Cross multiply
    14,619.70x = 21,929.76 × 4,759.04
  4. Step 4: Simplify right side
    14,619.70x = 104,364,605.03
  5. Step 5: Solve for x
    x = 104,364,605.03/14,619.70
  6. Step 6: Final answer
    x = 7,138.63

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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.