Home / 13,997.13-20,893.29-12,336.44

Finding the Fourth Proportional to 13,997.13, 20,893.29 and 12,336.44

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Solution

The fourth proportional to 13,997.13, 20,893.29 and 12,336.44 is: 18,414.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.13 : 20,893.29 = 12,336.44 : x
  2. Step 2: Convert to fraction form
    13,997.13/20,893.29 = 12,336.44/x
  3. Step 3: Cross multiply
    13,997.13x = 20,893.29 × 12,336.44
  4. Step 4: Simplify right side
    13,997.13x = 257,748,714.02
  5. Step 5: Solve for x
    x = 257,748,714.02/13,997.13
  6. Step 6: Final answer
    x = 18,414.40

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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.