Home / 13,836.84-19,094.28-7,786.95

Finding the Fourth Proportional to 13,836.84, 19,094.28 and 7,786.95

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Solution

The fourth proportional to 13,836.84, 19,094.28 and 7,786.95 is: 10,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.84 : 19,094.28 = 7,786.95 : x
  2. Step 2: Convert to fraction form
    13,836.84/19,094.28 = 7,786.95/x
  3. Step 3: Cross multiply
    13,836.84x = 19,094.28 × 7,786.95
  4. Step 4: Simplify right side
    13,836.84x = 148,686,203.65
  5. Step 5: Solve for x
    x = 148,686,203.65/13,836.84
  6. Step 6: Final answer
    x = 10,745.68

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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.