Home / 17,721.18-26,576.91-5,237.46

Finding the Fourth Proportional to 17,721.18, 26,576.91 and 5,237.46

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Solution

The fourth proportional to 17,721.18, 26,576.91 and 5,237.46 is: 7,854.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.18 : 26,576.91 = 5,237.46 : x
  2. Step 2: Convert to fraction form
    17,721.18/26,576.91 = 5,237.46/x
  3. Step 3: Cross multiply
    17,721.18x = 26,576.91 × 5,237.46
  4. Step 4: Simplify right side
    17,721.18x = 139,195,503.05
  5. Step 5: Solve for x
    x = 139,195,503.05/17,721.18
  6. Step 6: Final answer
    x = 7,854.75

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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.