Home / 14,491.90-21,731.77-4,628.53

Finding the Fourth Proportional to 14,491.90, 21,731.77 and 4,628.53

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Solution

The fourth proportional to 14,491.90, 21,731.77 and 4,628.53 is: 6,940.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,491.90 : 21,731.77 = 4,628.53 : x
  2. Step 2: Convert to fraction form
    14,491.90/21,731.77 = 4,628.53/x
  3. Step 3: Cross multiply
    14,491.90x = 21,731.77 × 4,628.53
  4. Step 4: Simplify right side
    14,491.90x = 100,586,149.40
  5. Step 5: Solve for x
    x = 100,586,149.40/14,491.90
  6. Step 6: Final answer
    x = 6,940.85

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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.