Home / 18,562.37-25,601.67-12,896.96

Finding the Fourth Proportional to 18,562.37, 25,601.67 and 12,896.96

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Solution

The fourth proportional to 18,562.37, 25,601.67 and 12,896.96 is: 17,787.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,562.37 : 25,601.67 = 12,896.96 : x
  2. Step 2: Convert to fraction form
    18,562.37/25,601.67 = 12,896.96/x
  3. Step 3: Cross multiply
    18,562.37x = 25,601.67 × 12,896.96
  4. Step 4: Simplify right side
    18,562.37x = 330,183,585.91
  5. Step 5: Solve for x
    x = 330,183,585.91/18,562.37
  6. Step 6: Final answer
    x = 17,787.80

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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.