Home / 14,912.63-20,557.73-10,422.44

Finding the Fourth Proportional to 14,912.63, 20,557.73 and 10,422.44

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Solution

The fourth proportional to 14,912.63, 20,557.73 and 10,422.44 is: 14,367.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912.63 : 20,557.73 = 10,422.44 : x
  2. Step 2: Convert to fraction form
    14,912.63/20,557.73 = 10,422.44/x
  3. Step 3: Cross multiply
    14,912.63x = 20,557.73 × 10,422.44
  4. Step 4: Simplify right side
    14,912.63x = 214,261,552.56
  5. Step 5: Solve for x
    x = 214,261,552.56/14,912.63
  6. Step 6: Final answer
    x = 14,367.80

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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.