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Finding the Fourth Proportional to 14,959.67, 20,629.09 and 10,481.99

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Solution

The fourth proportional to 14,959.67, 20,629.09 and 10,481.99 is: 14,454.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,959.67 : 20,629.09 = 10,481.99 : x
  2. Step 2: Convert to fraction form
    14,959.67/20,629.09 = 10,481.99/x
  3. Step 3: Cross multiply
    14,959.67x = 20,629.09 × 10,481.99
  4. Step 4: Simplify right side
    14,959.67x = 216,233,915.09
  5. Step 5: Solve for x
    x = 216,233,915.09/14,959.67
  6. Step 6: Final answer
    x = 14,454.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.