Home / 18,279.50-25,224.17-10,725.03

Finding the Fourth Proportional to 18,279.50, 25,224.17 and 10,725.03

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Solution

The fourth proportional to 18,279.50, 25,224.17 and 10,725.03 is: 14,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.50 : 25,224.17 = 10,725.03 : x
  2. Step 2: Convert to fraction form
    18,279.50/25,224.17 = 10,725.03/x
  3. Step 3: Cross multiply
    18,279.50x = 25,224.17 × 10,725.03
  4. Step 4: Simplify right side
    18,279.50x = 270,529,979.98
  5. Step 5: Solve for x
    x = 270,529,979.98/18,279.50
  6. Step 6: Final answer
    x = 14,799.64

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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.