Home / 17,469.90-26,196.80-5,621.49

Finding the Fourth Proportional to 17,469.90, 26,196.80 and 5,621.49

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Solution

The fourth proportional to 17,469.90, 26,196.80 and 5,621.49 is: 8,429.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,469.90 : 26,196.80 = 5,621.49 : x
  2. Step 2: Convert to fraction form
    17,469.90/26,196.80 = 5,621.49/x
  3. Step 3: Cross multiply
    17,469.90x = 26,196.80 × 5,621.49
  4. Step 4: Simplify right side
    17,469.90x = 147,265,021.12
  5. Step 5: Solve for x
    x = 147,265,021.12/17,469.90
  6. Step 6: Final answer
    x = 8,429.64

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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.