Home / 14,704.96-20,291.37-8,330.28

Finding the Fourth Proportional to 14,704.96, 20,291.37 and 8,330.28

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Solution

The fourth proportional to 14,704.96, 20,291.37 and 8,330.28 is: 11,494.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,704.96 : 20,291.37 = 8,330.28 : x
  2. Step 2: Convert to fraction form
    14,704.96/20,291.37 = 8,330.28/x
  3. Step 3: Cross multiply
    14,704.96x = 20,291.37 × 8,330.28
  4. Step 4: Simplify right side
    14,704.96x = 169,032,793.68
  5. Step 5: Solve for x
    x = 169,032,793.68/14,704.96
  6. Step 6: Final answer
    x = 11,494.95

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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.