Home / 13,598.28-20,393.67-3,735.21

Finding the Fourth Proportional to 13,598.28, 20,393.67 and 3,735.21

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Solution

The fourth proportional to 13,598.28, 20,393.67 and 3,735.21 is: 5,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.28 : 20,393.67 = 3,735.21 : x
  2. Step 2: Convert to fraction form
    13,598.28/20,393.67 = 3,735.21/x
  3. Step 3: Cross multiply
    13,598.28x = 20,393.67 × 3,735.21
  4. Step 4: Simplify right side
    13,598.28x = 76,174,730.60
  5. Step 5: Solve for x
    x = 76,174,730.60/13,598.28
  6. Step 6: Final answer
    x = 5,601.79

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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.