Home / 18,725.12-25,840.87-10,227.49

Finding the Fourth Proportional to 18,725.12, 25,840.87 and 10,227.49

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Solution

The fourth proportional to 18,725.12, 25,840.87 and 10,227.49 is: 14,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.12 : 25,840.87 = 10,227.49 : x
  2. Step 2: Convert to fraction form
    18,725.12/25,840.87 = 10,227.49/x
  3. Step 3: Cross multiply
    18,725.12x = 25,840.87 × 10,227.49
  4. Step 4: Simplify right side
    18,725.12x = 264,287,188.38
  5. Step 5: Solve for x
    x = 264,287,188.38/18,725.12
  6. Step 6: Final answer
    x = 14,114.05

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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.