Home / 13,614.25-18,754.15-11,591.16

Finding the Fourth Proportional to 13,614.25, 18,754.15 and 11,591.16

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Solution

The fourth proportional to 13,614.25, 18,754.15 and 11,591.16 is: 15,967.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614.25 : 18,754.15 = 11,591.16 : x
  2. Step 2: Convert to fraction form
    13,614.25/18,754.15 = 11,591.16/x
  3. Step 3: Cross multiply
    13,614.25x = 18,754.15 × 11,591.16
  4. Step 4: Simplify right side
    13,614.25x = 217,382,353.31
  5. Step 5: Solve for x
    x = 217,382,353.31/13,614.25
  6. Step 6: Final answer
    x = 15,967.27

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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.