Home / 15,565.70-23,348.34-3,879.02

Finding the Fourth Proportional to 15,565.70, 23,348.34 and 3,879.02

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Solution

The fourth proportional to 15,565.70, 23,348.34 and 3,879.02 is: 5,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565.70 : 23,348.34 = 3,879.02 : x
  2. Step 2: Convert to fraction form
    15,565.70/23,348.34 = 3,879.02/x
  3. Step 3: Cross multiply
    15,565.70x = 23,348.34 × 3,879.02
  4. Step 4: Simplify right side
    15,565.70x = 90,568,561.09
  5. Step 5: Solve for x
    x = 90,568,561.09/15,565.70
  6. Step 6: Final answer
    x = 5,818.47

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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.