Home / 16,918.48-25,380.96-5,229.64

Finding the Fourth Proportional to 16,918.48, 25,380.96 and 5,229.64

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Solution

The fourth proportional to 16,918.48, 25,380.96 and 5,229.64 is: 7,845.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.48 : 25,380.96 = 5,229.64 : x
  2. Step 2: Convert to fraction form
    16,918.48/25,380.96 = 5,229.64/x
  3. Step 3: Cross multiply
    16,918.48x = 25,380.96 × 5,229.64
  4. Step 4: Simplify right side
    16,918.48x = 132,733,283.65
  5. Step 5: Solve for x
    x = 132,733,283.65/16,918.48
  6. Step 6: Final answer
    x = 7,845.46

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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.