Home / 13,756.73-20,627.34-4,394.55

Finding the Fourth Proportional to 13,756.73, 20,627.34 and 4,394.55

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Solution

The fourth proportional to 13,756.73, 20,627.34 and 4,394.55 is: 6,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.73 : 20,627.34 = 4,394.55 : x
  2. Step 2: Convert to fraction form
    13,756.73/20,627.34 = 4,394.55/x
  3. Step 3: Cross multiply
    13,756.73x = 20,627.34 × 4,394.55
  4. Step 4: Simplify right side
    13,756.73x = 90,647,877.00
  5. Step 5: Solve for x
    x = 90,647,877.00/13,756.73
  6. Step 6: Final answer
    x = 6,589.35

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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.