Home / 18,445.12-27,667.62-11,051.80

Finding the Fourth Proportional to 18,445.12, 27,667.62 and 11,051.80

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Solution

The fourth proportional to 18,445.12, 27,667.62 and 11,051.80 is: 16,577.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.12 : 27,667.62 = 11,051.80 : x
  2. Step 2: Convert to fraction form
    18,445.12/27,667.62 = 11,051.80/x
  3. Step 3: Cross multiply
    18,445.12x = 27,667.62 × 11,051.80
  4. Step 4: Simplify right side
    18,445.12x = 305,777,002.72
  5. Step 5: Solve for x
    x = 305,777,002.72/18,445.12
  6. Step 6: Final answer
    x = 16,577.66

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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.