Home / 18,798.12-25,918.96-12,084

Finding the Fourth Proportional to 18,798.12, 25,918.96 and 12,084

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Solution

The fourth proportional to 18,798.12, 25,918.96 and 12,084 is: 16,661.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,798.12 : 25,918.96 = 12,084 : x
  2. Step 2: Convert to fraction form
    18,798.12/25,918.96 = 12,084/x
  3. Step 3: Cross multiply
    18,798.12x = 25,918.96 × 12,084
  4. Step 4: Simplify right side
    18,798.12x = 313,204,712.64
  5. Step 5: Solve for x
    x = 313,204,712.64/18,798.12
  6. Step 6: Final answer
    x = 16,661.49

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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.