Home / 17,058.72-25,596.36-12,869.31

Finding the Fourth Proportional to 17,058.72, 25,596.36 and 12,869.31

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Solution

The fourth proportional to 17,058.72, 25,596.36 and 12,869.31 is: 19,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,058.72 : 25,596.36 = 12,869.31 : x
  2. Step 2: Convert to fraction form
    17,058.72/25,596.36 = 12,869.31/x
  3. Step 3: Cross multiply
    17,058.72x = 25,596.36 × 12,869.31
  4. Step 4: Simplify right side
    17,058.72x = 329,407,491.71
  5. Step 5: Solve for x
    x = 329,407,491.71/17,058.72
  6. Step 6: Final answer
    x = 19,310.21

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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.