Home / 18,591.06-27,872.01-8,725.26

Finding the Fourth Proportional to 18,591.06, 27,872.01 and 8,725.26

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Solution

The fourth proportional to 18,591.06, 27,872.01 and 8,725.26 is: 13,081.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.06 : 27,872.01 = 8,725.26 : x
  2. Step 2: Convert to fraction form
    18,591.06/27,872.01 = 8,725.26/x
  3. Step 3: Cross multiply
    18,591.06x = 27,872.01 × 8,725.26
  4. Step 4: Simplify right side
    18,591.06x = 243,190,533.97
  5. Step 5: Solve for x
    x = 243,190,533.97/18,591.06
  6. Step 6: Final answer
    x = 13,081.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.