Home / 14,440.36-21,668.86-6,119.72

Finding the Fourth Proportional to 14,440.36, 21,668.86 and 6,119.72

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Solution

The fourth proportional to 14,440.36, 21,668.86 and 6,119.72 is: 9,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,440.36 : 21,668.86 = 6,119.72 : x
  2. Step 2: Convert to fraction form
    14,440.36/21,668.86 = 6,119.72/x
  3. Step 3: Cross multiply
    14,440.36x = 21,668.86 × 6,119.72
  4. Step 4: Simplify right side
    14,440.36x = 132,607,355.92
  5. Step 5: Solve for x
    x = 132,607,355.92/14,440.36
  6. Step 6: Final answer
    x = 9,183.11

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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.