Home / 15,696.20-23,544.36-5,315.24

Finding the Fourth Proportional to 15,696.20, 23,544.36 and 5,315.24

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Solution

The fourth proportional to 15,696.20, 23,544.36 and 5,315.24 is: 7,972.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696.20 : 23,544.36 = 5,315.24 : x
  2. Step 2: Convert to fraction form
    15,696.20/23,544.36 = 5,315.24/x
  3. Step 3: Cross multiply
    15,696.20x = 23,544.36 × 5,315.24
  4. Step 4: Simplify right side
    15,696.20x = 125,143,806.32
  5. Step 5: Solve for x
    x = 125,143,806.32/15,696.20
  6. Step 6: Final answer
    x = 7,972.88

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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.