Home / 13,231.08-19,836.21-9,058.43

Finding the Fourth Proportional to 13,231.08, 19,836.21 and 9,058.43

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Solution

The fourth proportional to 13,231.08, 19,836.21 and 9,058.43 is: 13,580.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.08 : 19,836.21 = 9,058.43 : x
  2. Step 2: Convert to fraction form
    13,231.08/19,836.21 = 9,058.43/x
  3. Step 3: Cross multiply
    13,231.08x = 19,836.21 × 9,058.43
  4. Step 4: Simplify right side
    13,231.08x = 179,684,820.57
  5. Step 5: Solve for x
    x = 179,684,820.57/13,231.08
  6. Step 6: Final answer
    x = 13,580.51

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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.