Home / 15,224.09-20,995.61-9,559.37

Finding the Fourth Proportional to 15,224.09, 20,995.61 and 9,559.37

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Solution

The fourth proportional to 15,224.09, 20,995.61 and 9,559.37 is: 13,183.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224.09 : 20,995.61 = 9,559.37 : x
  2. Step 2: Convert to fraction form
    15,224.09/20,995.61 = 9,559.37/x
  3. Step 3: Cross multiply
    15,224.09x = 20,995.61 × 9,559.37
  4. Step 4: Simplify right side
    15,224.09x = 200,704,690.96
  5. Step 5: Solve for x
    x = 200,704,690.96/15,224.09
  6. Step 6: Final answer
    x = 13,183.37

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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.