Home / 17,285.28-25,878.24-9,876.48

Finding the Fourth Proportional to 17,285.28, 25,878.24 and 9,876.48

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Solution

The fourth proportional to 17,285.28, 25,878.24 and 9,876.48 is: 14,786.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,285.28 : 25,878.24 = 9,876.48 : x
  2. Step 2: Convert to fraction form
    17,285.28/25,878.24 = 9,876.48/x
  3. Step 3: Cross multiply
    17,285.28x = 25,878.24 × 9,876.48
  4. Step 4: Simplify right side
    17,285.28x = 255,585,919.80
  5. Step 5: Solve for x
    x = 255,585,919.80/17,285.28
  6. Step 6: Final answer
    x = 14,786.33

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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.