Home / 19,537.48-29,310.72-6,389.56

Finding the Fourth Proportional to 19,537.48, 29,310.72 and 6,389.56

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Solution

The fourth proportional to 19,537.48, 29,310.72 and 6,389.56 is: 9,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,537.48 : 29,310.72 = 6,389.56 : x
  2. Step 2: Convert to fraction form
    19,537.48/29,310.72 = 6,389.56/x
  3. Step 3: Cross multiply
    19,537.48x = 29,310.72 × 6,389.56
  4. Step 4: Simplify right side
    19,537.48x = 187,282,604.08
  5. Step 5: Solve for x
    x = 187,282,604.08/19,537.48
  6. Step 6: Final answer
    x = 9,585.81

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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.