Home / 18,131.64-27,197.48-4,984.08

Finding the Fourth Proportional to 18,131.64, 27,197.48 and 4,984.08

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Solution

The fourth proportional to 18,131.64, 27,197.48 and 4,984.08 is: 7,476.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.64 : 27,197.48 = 4,984.08 : x
  2. Step 2: Convert to fraction form
    18,131.64/27,197.48 = 4,984.08/x
  3. Step 3: Cross multiply
    18,131.64x = 27,197.48 × 4,984.08
  4. Step 4: Simplify right side
    18,131.64x = 135,554,416.12
  5. Step 5: Solve for x
    x = 135,554,416.12/18,131.64
  6. Step 6: Final answer
    x = 7,476.13

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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.