Home / 18,199.43-27,299.15-5,051.80

Finding the Fourth Proportional to 18,199.43, 27,299.15 and 5,051.80

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Solution

The fourth proportional to 18,199.43, 27,299.15 and 5,051.80 is: 7,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,199.43 : 27,299.15 = 5,051.80 : x
  2. Step 2: Convert to fraction form
    18,199.43/27,299.15 = 5,051.80/x
  3. Step 3: Cross multiply
    18,199.43x = 27,299.15 × 5,051.80
  4. Step 4: Simplify right side
    18,199.43x = 137,909,684.22
  5. Step 5: Solve for x
    x = 137,909,684.22/18,199.43
  6. Step 6: Final answer
    x = 7,577.69

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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.