Home / 14,414.40-21,619.44-5,655.36

Finding the Fourth Proportional to 14,414.40, 21,619.44 and 5,655.36

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Solution

The fourth proportional to 14,414.40, 21,619.44 and 5,655.36 is: 8,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,414.40 : 21,619.44 = 5,655.36 : x
  2. Step 2: Convert to fraction form
    14,414.40/21,619.44 = 5,655.36/x
  3. Step 3: Cross multiply
    14,414.40x = 21,619.44 × 5,655.36
  4. Step 4: Simplify right side
    14,414.40x = 122,265,716.20
  5. Step 5: Solve for x
    x = 122,265,716.20/14,414.40
  6. Step 6: Final answer
    x = 8,482.19

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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.