Home / 13,844.12-20,775.29-5,079.11

Finding the Fourth Proportional to 13,844.12, 20,775.29 and 5,079.11

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Solution

The fourth proportional to 13,844.12, 20,775.29 and 5,079.11 is: 7,622.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,844.12 : 20,775.29 = 5,079.11 : x
  2. Step 2: Convert to fraction form
    13,844.12/20,775.29 = 5,079.11/x
  3. Step 3: Cross multiply
    13,844.12x = 20,775.29 × 5,079.11
  4. Step 4: Simplify right side
    13,844.12x = 105,519,853.92
  5. Step 5: Solve for x
    x = 105,519,853.92/13,844.12
  6. Step 6: Final answer
    x = 7,622.00

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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.