Home / 13,940.97-20,910.43-4,580.88

Finding the Fourth Proportional to 13,940.97, 20,910.43 and 4,580.88

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Solution

The fourth proportional to 13,940.97, 20,910.43 and 4,580.88 is: 6,870.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,940.97 : 20,910.43 = 4,580.88 : x
  2. Step 2: Convert to fraction form
    13,940.97/20,910.43 = 4,580.88/x
  3. Step 3: Cross multiply
    13,940.97x = 20,910.43 × 4,580.88
  4. Step 4: Simplify right side
    13,940.97x = 95,788,170.58
  5. Step 5: Solve for x
    x = 95,788,170.58/13,940.97
  6. Step 6: Final answer
    x = 6,870.98

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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.