Home / 20,183.04-27,792.68-14,507.78

Finding the Fourth Proportional to 20,183.04, 27,792.68 and 14,507.78

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Solution

The fourth proportional to 20,183.04, 27,792.68 and 14,507.78 is: 19,977.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.04 : 27,792.68 = 14,507.78 : x
  2. Step 2: Convert to fraction form
    20,183.04/27,792.68 = 14,507.78/x
  3. Step 3: Cross multiply
    20,183.04x = 27,792.68 × 14,507.78
  4. Step 4: Simplify right side
    20,183.04x = 403,210,087.05
  5. Step 5: Solve for x
    x = 403,210,087.05/20,183.04
  6. Step 6: Final answer
    x = 19,977.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.