Home / 14,961.30-20,645.66-8,246.56

Finding the Fourth Proportional to 14,961.30, 20,645.66 and 8,246.56

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Solution

The fourth proportional to 14,961.30, 20,645.66 and 8,246.56 is: 11,379.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.30 : 20,645.66 = 8,246.56 : x
  2. Step 2: Convert to fraction form
    14,961.30/20,645.66 = 8,246.56/x
  3. Step 3: Cross multiply
    14,961.30x = 20,645.66 × 8,246.56
  4. Step 4: Simplify right side
    14,961.30x = 170,255,673.93
  5. Step 5: Solve for x
    x = 170,255,673.93/14,961.30
  6. Step 6: Final answer
    x = 11,379.74

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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.