Home / 18,555.96-27,836.82-6,243

Finding the Fourth Proportional to 18,555.96, 27,836.82 and 6,243

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Solution

The fourth proportional to 18,555.96, 27,836.82 and 6,243 is: 9,365.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555.96 : 27,836.82 = 6,243 : x
  2. Step 2: Convert to fraction form
    18,555.96/27,836.82 = 6,243/x
  3. Step 3: Cross multiply
    18,555.96x = 27,836.82 × 6,243
  4. Step 4: Simplify right side
    18,555.96x = 173,785,267.26
  5. Step 5: Solve for x
    x = 173,785,267.26/18,555.96
  6. Step 6: Final answer
    x = 9,365.47

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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.