Home / 14,847.12-20,489.15-8,133.37

Finding the Fourth Proportional to 14,847.12, 20,489.15 and 8,133.37

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Solution

The fourth proportional to 14,847.12, 20,489.15 and 8,133.37 is: 11,224.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,847.12 : 20,489.15 = 8,133.37 : x
  2. Step 2: Convert to fraction form
    14,847.12/20,489.15 = 8,133.37/x
  3. Step 3: Cross multiply
    14,847.12x = 20,489.15 × 8,133.37
  4. Step 4: Simplify right side
    14,847.12x = 166,645,951.11
  5. Step 5: Solve for x
    x = 166,645,951.11/14,847.12
  6. Step 6: Final answer
    x = 11,224.12

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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.