Home / 13,892.44-19,170.35-7,842.35

Finding the Fourth Proportional to 13,892.44, 19,170.35 and 7,842.35

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Solution

The fourth proportional to 13,892.44, 19,170.35 and 7,842.35 is: 10,821.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.44 : 19,170.35 = 7,842.35 : x
  2. Step 2: Convert to fraction form
    13,892.44/19,170.35 = 7,842.35/x
  3. Step 3: Cross multiply
    13,892.44x = 19,170.35 × 7,842.35
  4. Step 4: Simplify right side
    13,892.44x = 150,340,594.32
  5. Step 5: Solve for x
    x = 150,340,594.32/13,892.44
  6. Step 6: Final answer
    x = 10,821.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.