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Finding the Fourth Proportional to 13,443.96, 20,064.26 and 13,094.04

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Solution

The fourth proportional to 13,443.96, 20,064.26 and 13,094.04 is: 19,542.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,443.96 : 20,064.26 = 13,094.04 : x
  2. Step 2: Convert to fraction form
    13,443.96/20,064.26 = 13,094.04/x
  3. Step 3: Cross multiply
    13,443.96x = 20,064.26 × 13,094.04
  4. Step 4: Simplify right side
    13,443.96x = 262,722,157.54
  5. Step 5: Solve for x
    x = 262,722,157.54/13,443.96
  6. Step 6: Final answer
    x = 19,542.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.