Home / 16,879.36-25,319.88-7,017.60

Finding the Fourth Proportional to 16,879.36, 25,319.88 and 7,017.60

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Solution

The fourth proportional to 16,879.36, 25,319.88 and 7,017.60 is: 10,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,879.36 : 25,319.88 = 7,017.60 : x
  2. Step 2: Convert to fraction form
    16,879.36/25,319.88 = 7,017.60/x
  3. Step 3: Cross multiply
    16,879.36x = 25,319.88 × 7,017.60
  4. Step 4: Simplify right side
    16,879.36x = 177,684,789.89
  5. Step 5: Solve for x
    x = 177,684,789.89/16,879.36
  6. Step 6: Final answer
    x = 10,526.75

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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.