Home / 13,733.54-20,598.79-3,873.21

Finding the Fourth Proportional to 13,733.54, 20,598.79 and 3,873.21

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Solution

The fourth proportional to 13,733.54, 20,598.79 and 3,873.21 is: 5,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.54 : 20,598.79 = 3,873.21 : x
  2. Step 2: Convert to fraction form
    13,733.54/20,598.79 = 3,873.21/x
  3. Step 3: Cross multiply
    13,733.54x = 20,598.79 × 3,873.21
  4. Step 4: Simplify right side
    13,733.54x = 79,783,439.42
  5. Step 5: Solve for x
    x = 79,783,439.42/13,733.54
  6. Step 6: Final answer
    x = 5,809.39

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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.