Home / 14,104.68-21,158.14-3,716.36

Finding the Fourth Proportional to 14,104.68, 21,158.14 and 3,716.36

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Solution

The fourth proportional to 14,104.68, 21,158.14 and 3,716.36 is: 5,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,104.68 : 21,158.14 = 3,716.36 : x
  2. Step 2: Convert to fraction form
    14,104.68/21,158.14 = 3,716.36/x
  3. Step 3: Cross multiply
    14,104.68x = 21,158.14 × 3,716.36
  4. Step 4: Simplify right side
    14,104.68x = 78,631,265.17
  5. Step 5: Solve for x
    x = 78,631,265.17/14,104.68
  6. Step 6: Final answer
    x = 5,574.84

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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.