Home / 13,445.37-20,168.13-4,680.27

Finding the Fourth Proportional to 13,445.37, 20,168.13 and 4,680.27

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Solution

The fourth proportional to 13,445.37, 20,168.13 and 4,680.27 is: 7,020.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,445.37 : 20,168.13 = 4,680.27 : x
  2. Step 2: Convert to fraction form
    13,445.37/20,168.13 = 4,680.27/x
  3. Step 3: Cross multiply
    13,445.37x = 20,168.13 × 4,680.27
  4. Step 4: Simplify right side
    13,445.37x = 94,392,293.80
  5. Step 5: Solve for x
    x = 94,392,293.80/13,445.37
  6. Step 6: Final answer
    x = 7,020.43

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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.