Home / 16,710.72-25,072.56-6,854.64

Finding the Fourth Proportional to 16,710.72, 25,072.56 and 6,854.64

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Solution

The fourth proportional to 16,710.72, 25,072.56 and 6,854.64 is: 10,284.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,710.72 : 25,072.56 = 6,854.64 : x
  2. Step 2: Convert to fraction form
    16,710.72/25,072.56 = 6,854.64/x
  3. Step 3: Cross multiply
    16,710.72x = 25,072.56 × 6,854.64
  4. Step 4: Simplify right side
    16,710.72x = 171,863,372.68
  5. Step 5: Solve for x
    x = 171,863,372.68/16,710.72
  6. Step 6: Final answer
    x = 10,284.62

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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.