Home / 15,172.82-22,759.23-4,785.38

Finding the Fourth Proportional to 15,172.82, 22,759.23 and 4,785.38

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Solution

The fourth proportional to 15,172.82, 22,759.23 and 4,785.38 is: 7,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,172.82 : 22,759.23 = 4,785.38 : x
  2. Step 2: Convert to fraction form
    15,172.82/22,759.23 = 4,785.38/x
  3. Step 3: Cross multiply
    15,172.82x = 22,759.23 × 4,785.38
  4. Step 4: Simplify right side
    15,172.82x = 108,911,450.26
  5. Step 5: Solve for x
    x = 108,911,450.26/15,172.82
  6. Step 6: Final answer
    x = 7,178.06

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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.