Home / 15,704.54-23,560.06-5,175.20

Finding the Fourth Proportional to 15,704.54, 23,560.06 and 5,175.20

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Solution

The fourth proportional to 15,704.54, 23,560.06 and 5,175.20 is: 7,763.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,704.54 : 23,560.06 = 5,175.20 : x
  2. Step 2: Convert to fraction form
    15,704.54/23,560.06 = 5,175.20/x
  3. Step 3: Cross multiply
    15,704.54x = 23,560.06 × 5,175.20
  4. Step 4: Simplify right side
    15,704.54x = 121,928,022.51
  5. Step 5: Solve for x
    x = 121,928,022.51/15,704.54
  6. Step 6: Final answer
    x = 7,763.87

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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.