Home / 13,474.08-20,214.32-4,240

Finding the Fourth Proportional to 13,474.08, 20,214.32 and 4,240

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Solution

The fourth proportional to 13,474.08, 20,214.32 and 4,240 is: 6,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.08 : 20,214.32 = 4,240 : x
  2. Step 2: Convert to fraction form
    13,474.08/20,214.32 = 4,240/x
  3. Step 3: Cross multiply
    13,474.08x = 20,214.32 × 4,240
  4. Step 4: Simplify right side
    13,474.08x = 85,708,716.80
  5. Step 5: Solve for x
    x = 85,708,716.80/13,474.08
  6. Step 6: Final answer
    x = 6,361.01

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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.