Home / 15,879.87-23,818.59-6,517.49

Finding the Fourth Proportional to 15,879.87, 23,818.59 and 6,517.49

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Solution

The fourth proportional to 15,879.87, 23,818.59 and 6,517.49 is: 9,775.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.87 : 23,818.59 = 6,517.49 : x
  2. Step 2: Convert to fraction form
    15,879.87/23,818.59 = 6,517.49/x
  3. Step 3: Cross multiply
    15,879.87x = 23,818.59 × 6,517.49
  4. Step 4: Simplify right side
    15,879.87x = 155,237,303.05
  5. Step 5: Solve for x
    x = 155,237,303.05/15,879.87
  6. Step 6: Final answer
    x = 9,775.73

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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.