Home / 13,352.84-20,029.04-5,453.62

Finding the Fourth Proportional to 13,352.84, 20,029.04 and 5,453.62

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Solution

The fourth proportional to 13,352.84, 20,029.04 and 5,453.62 is: 8,180.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.84 : 20,029.04 = 5,453.62 : x
  2. Step 2: Convert to fraction form
    13,352.84/20,029.04 = 5,453.62/x
  3. Step 3: Cross multiply
    13,352.84x = 20,029.04 × 5,453.62
  4. Step 4: Simplify right side
    13,352.84x = 109,230,773.12
  5. Step 5: Solve for x
    x = 109,230,773.12/13,352.84
  6. Step 6: Final answer
    x = 8,180.34

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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.