Home / 14,961.97-20,628.32-12,263.25

Finding the Fourth Proportional to 14,961.97, 20,628.32 and 12,263.25

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Solution

The fourth proportional to 14,961.97, 20,628.32 and 12,263.25 is: 16,907.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.97 : 20,628.32 = 12,263.25 : x
  2. Step 2: Convert to fraction form
    14,961.97/20,628.32 = 12,263.25/x
  3. Step 3: Cross multiply
    14,961.97x = 20,628.32 × 12,263.25
  4. Step 4: Simplify right side
    14,961.97x = 252,970,245.24
  5. Step 5: Solve for x
    x = 252,970,245.24/14,961.97
  6. Step 6: Final answer
    x = 16,907.55

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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.