Home / 13,586.73-20,380.70-7,025.73

Finding the Fourth Proportional to 13,586.73, 20,380.70 and 7,025.73

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Solution

The fourth proportional to 13,586.73, 20,380.70 and 7,025.73 is: 10,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.73 : 20,380.70 = 7,025.73 : x
  2. Step 2: Convert to fraction form
    13,586.73/20,380.70 = 7,025.73/x
  3. Step 3: Cross multiply
    13,586.73x = 20,380.70 × 7,025.73
  4. Step 4: Simplify right side
    13,586.73x = 143,189,295.41
  5. Step 5: Solve for x
    x = 143,189,295.41/13,586.73
  6. Step 6: Final answer
    x = 10,538.91

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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.