Home / 14,766.56-20,376.72-8,480.96

Finding the Fourth Proportional to 14,766.56, 20,376.72 and 8,480.96

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Solution

The fourth proportional to 14,766.56, 20,376.72 and 8,480.96 is: 11,703.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766.56 : 20,376.72 = 8,480.96 : x
  2. Step 2: Convert to fraction form
    14,766.56/20,376.72 = 8,480.96/x
  3. Step 3: Cross multiply
    14,766.56x = 20,376.72 × 8,480.96
  4. Step 4: Simplify right side
    14,766.56x = 172,814,147.25
  5. Step 5: Solve for x
    x = 172,814,147.25/14,766.56
  6. Step 6: Final answer
    x = 11,703.07

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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.