Home / 13,601.94-20,408.58-5,705.93

Finding the Fourth Proportional to 13,601.94, 20,408.58 and 5,705.93

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Solution

The fourth proportional to 13,601.94, 20,408.58 and 5,705.93 is: 8,561.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.94 : 20,408.58 = 5,705.93 : x
  2. Step 2: Convert to fraction form
    13,601.94/20,408.58 = 5,705.93/x
  3. Step 3: Cross multiply
    13,601.94x = 20,408.58 × 5,705.93
  4. Step 4: Simplify right side
    13,601.94x = 116,449,826.84
  5. Step 5: Solve for x
    x = 116,449,826.84/13,601.94
  6. Step 6: Final answer
    x = 8,561.27

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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.