Home / 14,168.99-21,253.53-6,771.77

Finding the Fourth Proportional to 14,168.99, 21,253.53 and 6,771.77

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Solution

The fourth proportional to 14,168.99, 21,253.53 and 6,771.77 is: 10,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,168.99 : 21,253.53 = 6,771.77 : x
  2. Step 2: Convert to fraction form
    14,168.99/21,253.53 = 6,771.77/x
  3. Step 3: Cross multiply
    14,168.99x = 21,253.53 × 6,771.77
  4. Step 4: Simplify right side
    14,168.99x = 143,923,982.99
  5. Step 5: Solve for x
    x = 143,923,982.99/14,168.99
  6. Step 6: Final answer
    x = 10,157.67

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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.