Home / 13,852.44-19,116.30-7,884.09

Finding the Fourth Proportional to 13,852.44, 19,116.30 and 7,884.09

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Solution

The fourth proportional to 13,852.44, 19,116.30 and 7,884.09 is: 10,880.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,852.44 : 19,116.30 = 7,884.09 : x
  2. Step 2: Convert to fraction form
    13,852.44/19,116.30 = 7,884.09/x
  3. Step 3: Cross multiply
    13,852.44x = 19,116.30 × 7,884.09
  4. Step 4: Simplify right side
    13,852.44x = 150,714,629.67
  5. Step 5: Solve for x
    x = 150,714,629.67/13,852.44
  6. Step 6: Final answer
    x = 10,880.01

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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.