Home / 13,058.97-19,563.78-10,122.90

Finding the Fourth Proportional to 13,058.97, 19,563.78 and 10,122.90

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Solution

The fourth proportional to 13,058.97, 19,563.78 and 10,122.90 is: 15,165.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,058.97 : 19,563.78 = 10,122.90 : x
  2. Step 2: Convert to fraction form
    13,058.97/19,563.78 = 10,122.90/x
  3. Step 3: Cross multiply
    13,058.97x = 19,563.78 × 10,122.90
  4. Step 4: Simplify right side
    13,058.97x = 198,042,188.56
  5. Step 5: Solve for x
    x = 198,042,188.56/13,058.97
  6. Step 6: Final answer
    x = 15,165.22

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1.5x scale

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.