Home / 19,177.09-28,752.94-9,183.31

Finding the Fourth Proportional to 19,177.09, 28,752.94 and 9,183.31

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Solution

The fourth proportional to 19,177.09, 28,752.94 and 9,183.31 is: 13,768.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,177.09 : 28,752.94 = 9,183.31 : x
  2. Step 2: Convert to fraction form
    19,177.09/28,752.94 = 9,183.31/x
  3. Step 3: Cross multiply
    19,177.09x = 28,752.94 × 9,183.31
  4. Step 4: Simplify right side
    19,177.09x = 264,047,161.43
  5. Step 5: Solve for x
    x = 264,047,161.43/19,177.09
  6. Step 6: Final answer
    x = 13,768.89

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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.