Home / 13,836.30-19,094.29-7,867.95

Finding the Fourth Proportional to 13,836.30, 19,094.29 and 7,867.95

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Solution

The fourth proportional to 13,836.30, 19,094.29 and 7,867.95 is: 10,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.30 : 19,094.29 = 7,867.95 : x
  2. Step 2: Convert to fraction form
    13,836.30/19,094.29 = 7,867.95/x
  3. Step 3: Cross multiply
    13,836.30x = 19,094.29 × 7,867.95
  4. Step 4: Simplify right side
    13,836.30x = 150,232,919.01
  5. Step 5: Solve for x
    x = 150,232,919.01/13,836.30
  6. Step 6: Final answer
    x = 10,857.88

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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.