Home / 18,514.65-25,548.57-10,961.22

Finding the Fourth Proportional to 18,514.65, 25,548.57 and 10,961.22

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Solution

The fourth proportional to 18,514.65, 25,548.57 and 10,961.22 is: 15,125.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514.65 : 25,548.57 = 10,961.22 : x
  2. Step 2: Convert to fraction form
    18,514.65/25,548.57 = 10,961.22/x
  3. Step 3: Cross multiply
    18,514.65x = 25,548.57 × 10,961.22
  4. Step 4: Simplify right side
    18,514.65x = 280,043,496.46
  5. Step 5: Solve for x
    x = 280,043,496.46/18,514.65
  6. Step 6: Final answer
    x = 15,125.51

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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.