Home / 13,660.33-20,483.44-6,258.44

Finding the Fourth Proportional to 13,660.33, 20,483.44 and 6,258.44

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Solution

The fourth proportional to 13,660.33, 20,483.44 and 6,258.44 is: 9,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.33 : 20,483.44 = 6,258.44 : x
  2. Step 2: Convert to fraction form
    13,660.33/20,483.44 = 6,258.44/x
  3. Step 3: Cross multiply
    13,660.33x = 20,483.44 × 6,258.44
  4. Step 4: Simplify right side
    13,660.33x = 128,194,439.27
  5. Step 5: Solve for x
    x = 128,194,439.27/13,660.33
  6. Step 6: Final answer
    x = 9,384.43

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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.