Home / 18,447.15-27,667.04-5,296.44

Finding the Fourth Proportional to 18,447.15, 27,667.04 and 5,296.44

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Solution

The fourth proportional to 18,447.15, 27,667.04 and 5,296.44 is: 7,943.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.15 : 27,667.04 = 5,296.44 : x
  2. Step 2: Convert to fraction form
    18,447.15/27,667.04 = 5,296.44/x
  3. Step 3: Cross multiply
    18,447.15x = 27,667.04 × 5,296.44
  4. Step 4: Simplify right side
    18,447.15x = 146,536,790.86
  5. Step 5: Solve for x
    x = 146,536,790.86/18,447.15
  6. Step 6: Final answer
    x = 7,943.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.