Home / 13,669.72-20,504.58-4,436.44

Finding the Fourth Proportional to 13,669.72, 20,504.58 and 4,436.44

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Solution

The fourth proportional to 13,669.72, 20,504.58 and 4,436.44 is: 6,654.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,669.72 : 20,504.58 = 4,436.44 : x
  2. Step 2: Convert to fraction form
    13,669.72/20,504.58 = 4,436.44/x
  3. Step 3: Cross multiply
    13,669.72x = 20,504.58 × 4,436.44
  4. Step 4: Simplify right side
    13,669.72x = 90,967,338.90
  5. Step 5: Solve for x
    x = 90,967,338.90/13,669.72
  6. Step 6: Final answer
    x = 6,654.66

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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.