Home / 13,433.60-20,150.56-3,573.44

Finding the Fourth Proportional to 13,433.60, 20,150.56 and 3,573.44

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Solution

The fourth proportional to 13,433.60, 20,150.56 and 3,573.44 is: 5,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.60 : 20,150.56 = 3,573.44 : x
  2. Step 2: Convert to fraction form
    13,433.60/20,150.56 = 3,573.44/x
  3. Step 3: Cross multiply
    13,433.60x = 20,150.56 × 3,573.44
  4. Step 4: Simplify right side
    13,433.60x = 72,006,817.13
  5. Step 5: Solve for x
    x = 72,006,817.13/13,433.60
  6. Step 6: Final answer
    x = 5,360.20

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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.