Home / 18,542.80-25,588.74-11,467.36

Finding the Fourth Proportional to 18,542.80, 25,588.74 and 11,467.36

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Solution

The fourth proportional to 18,542.80, 25,588.74 and 11,467.36 is: 15,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,542.80 : 25,588.74 = 11,467.36 : x
  2. Step 2: Convert to fraction form
    18,542.80/25,588.74 = 11,467.36/x
  3. Step 3: Cross multiply
    18,542.80x = 25,588.74 × 11,467.36
  4. Step 4: Simplify right side
    18,542.80x = 293,435,293.53
  5. Step 5: Solve for x
    x = 293,435,293.53/18,542.80
  6. Step 6: Final answer
    x = 15,824.76

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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.