Home / 14,475.28-21,716.20-5,241.28

Finding the Fourth Proportional to 14,475.28, 21,716.20 and 5,241.28

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Solution

The fourth proportional to 14,475.28, 21,716.20 and 5,241.28 is: 7,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.28 : 21,716.20 = 5,241.28 : x
  2. Step 2: Convert to fraction form
    14,475.28/21,716.20 = 5,241.28/x
  3. Step 3: Cross multiply
    14,475.28x = 21,716.20 × 5,241.28
  4. Step 4: Simplify right side
    14,475.28x = 113,820,684.74
  5. Step 5: Solve for x
    x = 113,820,684.74/14,475.28
  6. Step 6: Final answer
    x = 7,863.11

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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.