Home / 13,736.73-20,617.25-7,502.43

Finding the Fourth Proportional to 13,736.73, 20,617.25 and 7,502.43

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Solution

The fourth proportional to 13,736.73, 20,617.25 and 7,502.43 is: 11,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.73 : 20,617.25 = 7,502.43 : x
  2. Step 2: Convert to fraction form
    13,736.73/20,617.25 = 7,502.43/x
  3. Step 3: Cross multiply
    13,736.73x = 20,617.25 × 7,502.43
  4. Step 4: Simplify right side
    13,736.73x = 154,679,437.41
  5. Step 5: Solve for x
    x = 154,679,437.41/13,736.73
  6. Step 6: Final answer
    x = 11,260.28

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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.