Home / 16,836.53-25,254.78-5,149.64

Finding the Fourth Proportional to 16,836.53, 25,254.78 and 5,149.64

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Solution

The fourth proportional to 16,836.53, 25,254.78 and 5,149.64 is: 7,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,836.53 : 25,254.78 = 5,149.64 : x
  2. Step 2: Convert to fraction form
    16,836.53/25,254.78 = 5,149.64/x
  3. Step 3: Cross multiply
    16,836.53x = 25,254.78 × 5,149.64
  4. Step 4: Simplify right side
    16,836.53x = 130,052,899.01
  5. Step 5: Solve for x
    x = 130,052,899.01/16,836.53
  6. Step 6: Final answer
    x = 7,724.45

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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.