Home / 13,586.44-20,373.34-7,965.80

Finding the Fourth Proportional to 13,586.44, 20,373.34 and 7,965.80

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Solution

The fourth proportional to 13,586.44, 20,373.34 and 7,965.80 is: 11,944.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586.44 : 20,373.34 = 7,965.80 : x
  2. Step 2: Convert to fraction form
    13,586.44/20,373.34 = 7,965.80/x
  3. Step 3: Cross multiply
    13,586.44x = 20,373.34 × 7,965.80
  4. Step 4: Simplify right side
    13,586.44x = 162,289,951.77
  5. Step 5: Solve for x
    x = 162,289,951.77/13,586.44
  6. Step 6: Final answer
    x = 11,944.99

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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.