Home / 16,825.28-25,241.61-4,978.13

Finding the Fourth Proportional to 16,825.28, 25,241.61 and 4,978.13

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Solution

The fourth proportional to 16,825.28, 25,241.61 and 4,978.13 is: 7,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.28 : 25,241.61 = 4,978.13 : x
  2. Step 2: Convert to fraction form
    16,825.28/25,241.61 = 4,978.13/x
  3. Step 3: Cross multiply
    16,825.28x = 25,241.61 × 4,978.13
  4. Step 4: Simplify right side
    16,825.28x = 125,656,015.99
  5. Step 5: Solve for x
    x = 125,656,015.99/16,825.28
  6. Step 6: Final answer
    x = 7,468.29

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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.