Home / 13,940.58-19,234.26-8,270.60

Finding the Fourth Proportional to 13,940.58, 19,234.26 and 8,270.60

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Solution

The fourth proportional to 13,940.58, 19,234.26 and 8,270.60 is: 11,411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.58 : 19,234.26 = 8,270.60 : x
  2. Step 2: Convert to fraction form
    13,940.58/19,234.26 = 8,270.60/x
  3. Step 3: Cross multiply
    13,940.58x = 19,234.26 × 8,270.60
  4. Step 4: Simplify right side
    13,940.58x = 159,078,870.76
  5. Step 5: Solve for x
    x = 159,078,870.76/13,940.58
  6. Step 6: Final answer
    x = 11,411.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.