Home / 17,288.47-25,934.07-8,518.60

Finding the Fourth Proportional to 17,288.47, 25,934.07 and 8,518.60

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Solution

The fourth proportional to 17,288.47, 25,934.07 and 8,518.60 is: 12,778.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,288.47 : 25,934.07 = 8,518.60 : x
  2. Step 2: Convert to fraction form
    17,288.47/25,934.07 = 8,518.60/x
  3. Step 3: Cross multiply
    17,288.47x = 25,934.07 × 8,518.60
  4. Step 4: Simplify right side
    17,288.47x = 220,922,033.06
  5. Step 5: Solve for x
    x = 220,922,033.06/17,288.47
  6. Step 6: Final answer
    x = 12,778.58

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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.