Home / 18,725.12-25,839.96-10,226.96

Finding the Fourth Proportional to 18,725.12, 25,839.96 and 10,226.96

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Solution

The fourth proportional to 18,725.12, 25,839.96 and 10,226.96 is: 14,112.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.12 : 25,839.96 = 10,226.96 : x
  2. Step 2: Convert to fraction form
    18,725.12/25,839.96 = 10,226.96/x
  3. Step 3: Cross multiply
    18,725.12x = 25,839.96 × 10,226.96
  4. Step 4: Simplify right side
    18,725.12x = 264,264,237.32
  5. Step 5: Solve for x
    x = 264,264,237.32/18,725.12
  6. Step 6: Final answer
    x = 14,112.82

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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.