Home / 13,322.28-19,983.41-3,962.25

Finding the Fourth Proportional to 13,322.28, 19,983.41 and 3,962.25

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Solution

The fourth proportional to 13,322.28, 19,983.41 and 3,962.25 is: 5,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.28 : 19,983.41 = 3,962.25 : x
  2. Step 2: Convert to fraction form
    13,322.28/19,983.41 = 3,962.25/x
  3. Step 3: Cross multiply
    13,322.28x = 19,983.41 × 3,962.25
  4. Step 4: Simplify right side
    13,322.28x = 79,179,246.46
  5. Step 5: Solve for x
    x = 79,179,246.46/13,322.28
  6. Step 6: Final answer
    x = 5,943.37

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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.