Home / 20,823.35-31,234.74-5,028.24

Finding the Fourth Proportional to 20,823.35, 31,234.74 and 5,028.24

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Solution

The fourth proportional to 20,823.35, 31,234.74 and 5,028.24 is: 7,542.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,823.35 : 31,234.74 = 5,028.24 : x
  2. Step 2: Convert to fraction form
    20,823.35/31,234.74 = 5,028.24/x
  3. Step 3: Cross multiply
    20,823.35x = 31,234.74 × 5,028.24
  4. Step 4: Simplify right side
    20,823.35x = 157,055,769.06
  5. Step 5: Solve for x
    x = 157,055,769.06/20,823.35
  6. Step 6: Final answer
    x = 7,542.29

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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.