Home / 16,785.88-25,181.34-5,097.80

Finding the Fourth Proportional to 16,785.88, 25,181.34 and 5,097.80

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Solution

The fourth proportional to 16,785.88, 25,181.34 and 5,097.80 is: 7,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,785.88 : 25,181.34 = 5,097.80 : x
  2. Step 2: Convert to fraction form
    16,785.88/25,181.34 = 5,097.80/x
  3. Step 3: Cross multiply
    16,785.88x = 25,181.34 × 5,097.80
  4. Step 4: Simplify right side
    16,785.88x = 128,369,435.05
  5. Step 5: Solve for x
    x = 128,369,435.05/16,785.88
  6. Step 6: Final answer
    x = 7,647.47

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1.5x scale

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.