Home / 18,542.75-25,589.01-10,159.25

Finding the Fourth Proportional to 18,542.75, 25,589.01 and 10,159.25

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Solution

The fourth proportional to 18,542.75, 25,589.01 and 10,159.25 is: 14,019.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542.75 : 25,589.01 = 10,159.25 : x
  2. Step 2: Convert to fraction form
    18,542.75/25,589.01 = 10,159.25/x
  3. Step 3: Cross multiply
    18,542.75x = 25,589.01 × 10,159.25
  4. Step 4: Simplify right side
    18,542.75x = 259,965,149.84
  5. Step 5: Solve for x
    x = 259,965,149.84/18,542.75
  6. Step 6: Final answer
    x = 14,019.77

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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.