Home / 18,795.88-25,939.16-10,412.36

Finding the Fourth Proportional to 18,795.88, 25,939.16 and 10,412.36

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Solution

The fourth proportional to 18,795.88, 25,939.16 and 10,412.36 is: 14,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.88 : 25,939.16 = 10,412.36 : x
  2. Step 2: Convert to fraction form
    18,795.88/25,939.16 = 10,412.36/x
  3. Step 3: Cross multiply
    18,795.88x = 25,939.16 × 10,412.36
  4. Step 4: Simplify right side
    18,795.88x = 270,087,872.02
  5. Step 5: Solve for x
    x = 270,087,872.02/18,795.88
  6. Step 6: Final answer
    x = 14,369.53

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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.