Home / 13,057.66-18,006.42-11,617.54

Finding the Fourth Proportional to 13,057.66, 18,006.42 and 11,617.54

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Solution

The fourth proportional to 13,057.66, 18,006.42 and 11,617.54 is: 16,020.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.66 : 18,006.42 = 11,617.54 : x
  2. Step 2: Convert to fraction form
    13,057.66/18,006.42 = 11,617.54/x
  3. Step 3: Cross multiply
    13,057.66x = 18,006.42 × 11,617.54
  4. Step 4: Simplify right side
    13,057.66x = 209,190,304.61
  5. Step 5: Solve for x
    x = 209,190,304.61/13,057.66
  6. Step 6: Final answer
    x = 16,020.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.