Home / 11,601.63-17,420.21-10,226.55

Finding the Fourth Proportional to 11,601.63, 17,420.21 and 10,226.55

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Solution

The fourth proportional to 11,601.63, 17,420.21 and 10,226.55 is: 15,355.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,601.63 : 17,420.21 = 10,226.55 : x
  2. Step 2: Convert to fraction form
    11,601.63/17,420.21 = 10,226.55/x
  3. Step 3: Cross multiply
    11,601.63x = 17,420.21 × 10,226.55
  4. Step 4: Simplify right side
    11,601.63x = 178,148,597.44
  5. Step 5: Solve for x
    x = 178,148,597.44/11,601.63
  6. Step 6: Final answer
    x = 15,355.49

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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.