Home / 13,623.09-20,428.26-5,723.94

Finding the Fourth Proportional to 13,623.09, 20,428.26 and 5,723.94

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Solution

The fourth proportional to 13,623.09, 20,428.26 and 5,723.94 is: 8,583.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.09 : 20,428.26 = 5,723.94 : x
  2. Step 2: Convert to fraction form
    13,623.09/20,428.26 = 5,723.94/x
  3. Step 3: Cross multiply
    13,623.09x = 20,428.26 × 5,723.94
  4. Step 4: Simplify right side
    13,623.09x = 116,930,134.54
  5. Step 5: Solve for x
    x = 116,930,134.54/13,623.09
  6. Step 6: Final answer
    x = 8,583.23

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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.