Home / 13,848.44-20,760.28-5,081.32

Finding the Fourth Proportional to 13,848.44, 20,760.28 and 5,081.32

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Solution

The fourth proportional to 13,848.44, 20,760.28 and 5,081.32 is: 7,617.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,848.44 : 20,760.28 = 5,081.32 : x
  2. Step 2: Convert to fraction form
    13,848.44/20,760.28 = 5,081.32/x
  3. Step 3: Cross multiply
    13,848.44x = 20,760.28 × 5,081.32
  4. Step 4: Simplify right side
    13,848.44x = 105,489,625.97
  5. Step 5: Solve for x
    x = 105,489,625.97/13,848.44
  6. Step 6: Final answer
    x = 7,617.44

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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.