Home / 14,961.94-20,646.55-8,247.22

Finding the Fourth Proportional to 14,961.94, 20,646.55 and 8,247.22

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Solution

The fourth proportional to 14,961.94, 20,646.55 and 8,247.22 is: 11,380.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.94 : 20,646.55 = 8,247.22 : x
  2. Step 2: Convert to fraction form
    14,961.94/20,646.55 = 8,247.22/x
  3. Step 3: Cross multiply
    14,961.94x = 20,646.55 × 8,247.22
  4. Step 4: Simplify right side
    14,961.94x = 170,276,738.12
  5. Step 5: Solve for x
    x = 170,276,738.12/14,961.94
  6. Step 6: Final answer
    x = 11,380.66

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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.