Home / 14,766.25-20,377.83-8,479.03

Finding the Fourth Proportional to 14,766.25, 20,377.83 and 8,479.03

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Solution

The fourth proportional to 14,766.25, 20,377.83 and 8,479.03 is: 11,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766.25 : 20,377.83 = 8,479.03 : x
  2. Step 2: Convert to fraction form
    14,766.25/20,377.83 = 8,479.03/x
  3. Step 3: Cross multiply
    14,766.25x = 20,377.83 × 8,479.03
  4. Step 4: Simplify right side
    14,766.25x = 172,784,231.90
  5. Step 5: Solve for x
    x = 172,784,231.90/14,766.25
  6. Step 6: Final answer
    x = 11,701.29

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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.