Home / 13,399.46-20,096.56-9,856.52

Finding the Fourth Proportional to 13,399.46, 20,096.56 and 9,856.52

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Solution

The fourth proportional to 13,399.46, 20,096.56 and 9,856.52 is: 14,782.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,399.46 : 20,096.56 = 9,856.52 : x
  2. Step 2: Convert to fraction form
    13,399.46/20,096.56 = 9,856.52/x
  3. Step 3: Cross multiply
    13,399.46x = 20,096.56 × 9,856.52
  4. Step 4: Simplify right side
    13,399.46x = 198,082,145.57
  5. Step 5: Solve for x
    x = 198,082,145.57/13,399.46
  6. Step 6: Final answer
    x = 14,782.85

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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.