Home / 13,997.60-19,311.20-8,026.08

Finding the Fourth Proportional to 13,997.60, 19,311.20 and 8,026.08

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Solution

The fourth proportional to 13,997.60, 19,311.20 and 8,026.08 is: 11,072.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.60 : 19,311.20 = 8,026.08 : x
  2. Step 2: Convert to fraction form
    13,997.60/19,311.20 = 8,026.08/x
  3. Step 3: Cross multiply
    13,997.60x = 19,311.20 × 8,026.08
  4. Step 4: Simplify right side
    13,997.60x = 154,993,236.10
  5. Step 5: Solve for x
    x = 154,993,236.10/13,997.60
  6. Step 6: Final answer
    x = 11,072.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.