Home / 13,474.23-20,213.61-6,078.51

Finding the Fourth Proportional to 13,474.23, 20,213.61 and 6,078.51

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Solution

The fourth proportional to 13,474.23, 20,213.61 and 6,078.51 is: 9,118.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.23 : 20,213.61 = 6,078.51 : x
  2. Step 2: Convert to fraction form
    13,474.23/20,213.61 = 6,078.51/x
  3. Step 3: Cross multiply
    13,474.23x = 20,213.61 × 6,078.51
  4. Step 4: Simplify right side
    13,474.23x = 122,868,630.52
  5. Step 5: Solve for x
    x = 122,868,630.52/13,474.23
  6. Step 6: Final answer
    x = 9,118.79

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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.