Home / 13,652.28-20,478.60-9,469.44

Finding the Fourth Proportional to 13,652.28, 20,478.60 and 9,469.44

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Solution

The fourth proportional to 13,652.28, 20,478.60 and 9,469.44 is: 14,204.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.28 : 20,478.60 = 9,469.44 : x
  2. Step 2: Convert to fraction form
    13,652.28/20,478.60 = 9,469.44/x
  3. Step 3: Cross multiply
    13,652.28x = 20,478.60 × 9,469.44
  4. Step 4: Simplify right side
    13,652.28x = 193,920,873.98
  5. Step 5: Solve for x
    x = 193,920,873.98/13,652.28
  6. Step 6: Final answer
    x = 14,204.28

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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.