Home / 16,715.72-25,072.80-4,869.56

Finding the Fourth Proportional to 16,715.72, 25,072.80 and 4,869.56

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Solution

The fourth proportional to 16,715.72, 25,072.80 and 4,869.56 is: 7,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,715.72 : 25,072.80 = 4,869.56 : x
  2. Step 2: Convert to fraction form
    16,715.72/25,072.80 = 4,869.56/x
  3. Step 3: Cross multiply
    16,715.72x = 25,072.80 × 4,869.56
  4. Step 4: Simplify right side
    16,715.72x = 122,093,503.97
  5. Step 5: Solve for x
    x = 122,093,503.97/16,715.72
  6. Step 6: Final answer
    x = 7,304.11

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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.