Home / 15,716.52-23,571.78-4,623.72

Finding the Fourth Proportional to 15,716.52, 23,571.78 and 4,623.72

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Solution

The fourth proportional to 15,716.52, 23,571.78 and 4,623.72 is: 6,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,716.52 : 23,571.78 = 4,623.72 : x
  2. Step 2: Convert to fraction form
    15,716.52/23,571.78 = 4,623.72/x
  3. Step 3: Cross multiply
    15,716.52x = 23,571.78 × 4,623.72
  4. Step 4: Simplify right side
    15,716.52x = 108,989,310.62
  5. Step 5: Solve for x
    x = 108,989,310.62/15,716.52
  6. Step 6: Final answer
    x = 6,934.70

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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.