Home / 18,130.25-27,196.59-4,983.95

Finding the Fourth Proportional to 18,130.25, 27,196.59 and 4,983.95

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Solution

The fourth proportional to 18,130.25, 27,196.59 and 4,983.95 is: 7,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.25 : 27,196.59 = 4,983.95 : x
  2. Step 2: Convert to fraction form
    18,130.25/27,196.59 = 4,983.95/x
  3. Step 3: Cross multiply
    18,130.25x = 27,196.59 × 4,983.95
  4. Step 4: Simplify right side
    18,130.25x = 135,546,308.75
  5. Step 5: Solve for x
    x = 135,546,308.75/18,130.25
  6. Step 6: Final answer
    x = 7,476.25

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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.