Home / 13,450.96-20,176.54-4,685.86

Finding the Fourth Proportional to 13,450.96, 20,176.54 and 4,685.86

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Solution

The fourth proportional to 13,450.96, 20,176.54 and 4,685.86 is: 7,028.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.96 : 20,176.54 = 4,685.86 : x
  2. Step 2: Convert to fraction form
    13,450.96/20,176.54 = 4,685.86/x
  3. Step 3: Cross multiply
    13,450.96x = 20,176.54 × 4,685.86
  4. Step 4: Simplify right side
    13,450.96x = 94,544,379.57
  5. Step 5: Solve for x
    x = 94,544,379.57/13,450.96
  6. Step 6: Final answer
    x = 7,028.82

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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.