Home / 33,121.98-45,708.24-18,586.20

Finding the Fourth Proportional to 33,121.98, 45,708.24 and 18,586.20

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Solution

The fourth proportional to 33,121.98, 45,708.24 and 18,586.20 is: 25,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.98 : 45,708.24 = 18,586.20 : x
  2. Step 2: Convert to fraction form
    33,121.98/45,708.24 = 18,586.20/x
  3. Step 3: Cross multiply
    33,121.98x = 45,708.24 × 18,586.20
  4. Step 4: Simplify right side
    33,121.98x = 849,542,490.29
  5. Step 5: Solve for x
    x = 849,542,490.29/33,121.98
  6. Step 6: Final answer
    x = 25,648.90

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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.