Home / 13,227.57-19,842.57-3,867.75

Finding the Fourth Proportional to 13,227.57, 19,842.57 and 3,867.75

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Solution

The fourth proportional to 13,227.57, 19,842.57 and 3,867.75 is: 5,801.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,227.57 : 19,842.57 = 3,867.75 : x
  2. Step 2: Convert to fraction form
    13,227.57/19,842.57 = 3,867.75/x
  3. Step 3: Cross multiply
    13,227.57x = 19,842.57 × 3,867.75
  4. Step 4: Simplify right side
    13,227.57x = 76,746,100.12
  5. Step 5: Solve for x
    x = 76,746,100.12/13,227.57
  6. Step 6: Final answer
    x = 5,801.98

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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.