Home / 18,586.26-25,665.66-13,862.34

Finding the Fourth Proportional to 18,586.26, 25,665.66 and 13,862.34

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Solution

The fourth proportional to 18,586.26, 25,665.66 and 13,862.34 is: 19,142.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,586.26 : 25,665.66 = 13,862.34 : x
  2. Step 2: Convert to fraction form
    18,586.26/25,665.66 = 13,862.34/x
  3. Step 3: Cross multiply
    18,586.26x = 25,665.66 × 13,862.34
  4. Step 4: Simplify right side
    18,586.26x = 355,786,105.24
  5. Step 5: Solve for x
    x = 355,786,105.24/18,586.26
  6. Step 6: Final answer
    x = 19,142.43

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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.