Home / 13,812.73-19,072.82-11,260.90

Finding the Fourth Proportional to 13,812.73, 19,072.82 and 11,260.90

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Solution

The fourth proportional to 13,812.73, 19,072.82 and 11,260.90 is: 15,549.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,812.73 : 19,072.82 = 11,260.90 : x
  2. Step 2: Convert to fraction form
    13,812.73/19,072.82 = 11,260.90/x
  3. Step 3: Cross multiply
    13,812.73x = 19,072.82 × 11,260.90
  4. Step 4: Simplify right side
    13,812.73x = 214,777,118.74
  5. Step 5: Solve for x
    x = 214,777,118.74/13,812.73
  6. Step 6: Final answer
    x = 15,549.22

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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.