Home / 15,644.72-23,470.14-6,879.61

Finding the Fourth Proportional to 15,644.72, 23,470.14 and 6,879.61

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Solution

The fourth proportional to 15,644.72, 23,470.14 and 6,879.61 is: 10,320.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,644.72 : 23,470.14 = 6,879.61 : x
  2. Step 2: Convert to fraction form
    15,644.72/23,470.14 = 6,879.61/x
  3. Step 3: Cross multiply
    15,644.72x = 23,470.14 × 6,879.61
  4. Step 4: Simplify right side
    15,644.72x = 161,465,464.98
  5. Step 5: Solve for x
    x = 161,465,464.98/15,644.72
  6. Step 6: Final answer
    x = 10,320.76

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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.