Home / 14,124.99-21,190.91-4,263.67

Finding the Fourth Proportional to 14,124.99, 21,190.91 and 4,263.67

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Solution

The fourth proportional to 14,124.99, 21,190.91 and 4,263.67 is: 6,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.99 : 21,190.91 = 4,263.67 : x
  2. Step 2: Convert to fraction form
    14,124.99/21,190.91 = 4,263.67/x
  3. Step 3: Cross multiply
    14,124.99x = 21,190.91 × 4,263.67
  4. Step 4: Simplify right side
    14,124.99x = 90,351,047.24
  5. Step 5: Solve for x
    x = 90,351,047.24/14,124.99
  6. Step 6: Final answer
    x = 6,396.54

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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.