Home / 13,517.83-18,644.31-11,632.56

Finding the Fourth Proportional to 13,517.83, 18,644.31 and 11,632.56

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Solution

The fourth proportional to 13,517.83, 18,644.31 and 11,632.56 is: 16,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.83 : 18,644.31 = 11,632.56 : x
  2. Step 2: Convert to fraction form
    13,517.83/18,644.31 = 11,632.56/x
  3. Step 3: Cross multiply
    13,517.83x = 18,644.31 × 11,632.56
  4. Step 4: Simplify right side
    13,517.83x = 216,880,961.51
  5. Step 5: Solve for x
    x = 216,880,961.51/13,517.83
  6. Step 6: Final answer
    x = 16,044.07

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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.