Home / 18,540.36-27,816.48-6,693.84

Finding the Fourth Proportional to 18,540.36, 27,816.48 and 6,693.84

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Solution

The fourth proportional to 18,540.36, 27,816.48 and 6,693.84 is: 10,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.36 : 27,816.48 = 6,693.84 : x
  2. Step 2: Convert to fraction form
    18,540.36/27,816.48 = 6,693.84/x
  3. Step 3: Cross multiply
    18,540.36x = 27,816.48 × 6,693.84
  4. Step 4: Simplify right side
    18,540.36x = 186,199,066.48
  5. Step 5: Solve for x
    x = 186,199,066.48/18,540.36
  6. Step 6: Final answer
    x = 10,042.90

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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.