Home / 13,517.58-18,643.97-11,632.31

Finding the Fourth Proportional to 13,517.58, 18,643.97 and 11,632.31

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Solution

The fourth proportional to 13,517.58, 18,643.97 and 11,632.31 is: 16,043.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.58 : 18,643.97 = 11,632.31 : x
  2. Step 2: Convert to fraction form
    13,517.58/18,643.97 = 11,632.31/x
  3. Step 3: Cross multiply
    13,517.58x = 18,643.97 × 11,632.31
  4. Step 4: Simplify right side
    13,517.58x = 216,872,287.29
  5. Step 5: Solve for x
    x = 216,872,287.29/13,517.58
  6. Step 6: Final answer
    x = 16,043.72

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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.