Home / 18,435.23-27,636.24-12,514.13

Finding the Fourth Proportional to 18,435.23, 27,636.24 and 12,514.13

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Solution

The fourth proportional to 18,435.23, 27,636.24 and 12,514.13 is: 18,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.23 : 27,636.24 = 12,514.13 : x
  2. Step 2: Convert to fraction form
    18,435.23/27,636.24 = 12,514.13/x
  3. Step 3: Cross multiply
    18,435.23x = 27,636.24 × 12,514.13
  4. Step 4: Simplify right side
    18,435.23x = 345,843,500.07
  5. Step 5: Solve for x
    x = 345,843,500.07/18,435.23
  6. Step 6: Final answer
    x = 18,759.92

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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.