Home / 17,001.66-25,506.09-5,315.76

Finding the Fourth Proportional to 17,001.66, 25,506.09 and 5,315.76

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Solution

The fourth proportional to 17,001.66, 25,506.09 and 5,315.76 is: 7,974.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,001.66 : 25,506.09 = 5,315.76 : x
  2. Step 2: Convert to fraction form
    17,001.66/25,506.09 = 5,315.76/x
  3. Step 3: Cross multiply
    17,001.66x = 25,506.09 × 5,315.76
  4. Step 4: Simplify right side
    17,001.66x = 135,584,252.98
  5. Step 5: Solve for x
    x = 135,584,252.98/17,001.66
  6. Step 6: Final answer
    x = 7,974.77

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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.