Home / 15,640.70-23,453.96-9,717.37

Finding the Fourth Proportional to 15,640.70, 23,453.96 and 9,717.37

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Solution

The fourth proportional to 15,640.70, 23,453.96 and 9,717.37 is: 14,571.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.70 : 23,453.96 = 9,717.37 : x
  2. Step 2: Convert to fraction form
    15,640.70/23,453.96 = 9,717.37/x
  3. Step 3: Cross multiply
    15,640.70x = 23,453.96 × 9,717.37
  4. Step 4: Simplify right side
    15,640.70x = 227,910,700.06
  5. Step 5: Solve for x
    x = 227,910,700.06/15,640.70
  6. Step 6: Final answer
    x = 14,571.65

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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.