Home / 14,793.75-20,416.19-8,506.53

Finding the Fourth Proportional to 14,793.75, 20,416.19 and 8,506.53

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Solution

The fourth proportional to 14,793.75, 20,416.19 and 8,506.53 is: 11,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,793.75 : 20,416.19 = 8,506.53 : x
  2. Step 2: Convert to fraction form
    14,793.75/20,416.19 = 8,506.53/x
  3. Step 3: Cross multiply
    14,793.75x = 20,416.19 × 8,506.53
  4. Step 4: Simplify right side
    14,793.75x = 173,670,890.19
  5. Step 5: Solve for x
    x = 173,670,890.19/14,793.75
  6. Step 6: Final answer
    x = 11,739.48

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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.