Home / 13,660.07-18,852.24-7,994.48

Finding the Fourth Proportional to 13,660.07, 18,852.24 and 7,994.48

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Solution

The fourth proportional to 13,660.07, 18,852.24 and 7,994.48 is: 11,033.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.07 : 18,852.24 = 7,994.48 : x
  2. Step 2: Convert to fraction form
    13,660.07/18,852.24 = 7,994.48/x
  3. Step 3: Cross multiply
    13,660.07x = 18,852.24 × 7,994.48
  4. Step 4: Simplify right side
    13,660.07x = 150,713,844.38
  5. Step 5: Solve for x
    x = 150,713,844.38/13,660.07
  6. Step 6: Final answer
    x = 11,033.17

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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.