Home / 13,853.73-20,777.99-3,722.25

Finding the Fourth Proportional to 13,853.73, 20,777.99 and 3,722.25

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Solution

The fourth proportional to 13,853.73, 20,777.99 and 3,722.25 is: 5,582.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,853.73 : 20,777.99 = 3,722.25 : x
  2. Step 2: Convert to fraction form
    13,853.73/20,777.99 = 3,722.25/x
  3. Step 3: Cross multiply
    13,853.73x = 20,777.99 × 3,722.25
  4. Step 4: Simplify right side
    13,853.73x = 77,340,854.67
  5. Step 5: Solve for x
    x = 77,340,854.67/13,853.73
  6. Step 6: Final answer
    x = 5,582.67

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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.