Home / 16,825.97-25,242.66-5,140.10

Finding the Fourth Proportional to 16,825.97, 25,242.66 and 5,140.10

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Solution

The fourth proportional to 16,825.97, 25,242.66 and 5,140.10 is: 7,711.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.97 : 25,242.66 = 5,140.10 : x
  2. Step 2: Convert to fraction form
    16,825.97/25,242.66 = 5,140.10/x
  3. Step 3: Cross multiply
    16,825.97x = 25,242.66 × 5,140.10
  4. Step 4: Simplify right side
    16,825.97x = 129,749,670.45
  5. Step 5: Solve for x
    x = 129,749,670.45/16,825.97
  6. Step 6: Final answer
    x = 7,711.28

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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.