Home / 43,787.50-65,664.24-14,198.20

Finding the Fourth Proportional to 43,787.50, 65,664.24 and 14,198.20

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Solution

The fourth proportional to 43,787.50, 65,664.24 and 14,198.20 is: 21,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,787.50 : 65,664.24 = 14,198.20 : x
  2. Step 2: Convert to fraction form
    43,787.50/65,664.24 = 14,198.20/x
  3. Step 3: Cross multiply
    43,787.50x = 65,664.24 × 14,198.20
  4. Step 4: Simplify right side
    43,787.50x = 932,314,012.37
  5. Step 5: Solve for x
    x = 932,314,012.37/43,787.50
  6. Step 6: Final answer
    x = 21,291.78

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1.5x scale

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.