Home / 15,696.85-23,553.35-8,675.56

Finding the Fourth Proportional to 15,696.85, 23,553.35 and 8,675.56

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Solution

The fourth proportional to 15,696.85, 23,553.35 and 8,675.56 is: 13,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,696.85 : 23,553.35 = 8,675.56 : x
  2. Step 2: Convert to fraction form
    15,696.85/23,553.35 = 8,675.56/x
  3. Step 3: Cross multiply
    15,696.85x = 23,553.35 × 8,675.56
  4. Step 4: Simplify right side
    15,696.85x = 204,338,391.81
  5. Step 5: Solve for x
    x = 204,338,391.81/15,696.85
  6. Step 6: Final answer
    x = 13,017.80

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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.