Home / 18,255.24-25,192.26-9,871.74

Finding the Fourth Proportional to 18,255.24, 25,192.26 and 9,871.74

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Solution

The fourth proportional to 18,255.24, 25,192.26 and 9,871.74 is: 13,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.24 : 25,192.26 = 9,871.74 : x
  2. Step 2: Convert to fraction form
    18,255.24/25,192.26 = 9,871.74/x
  3. Step 3: Cross multiply
    18,255.24x = 25,192.26 × 9,871.74
  4. Step 4: Simplify right side
    18,255.24x = 248,691,440.73
  5. Step 5: Solve for x
    x = 248,691,440.73/18,255.24
  6. Step 6: Final answer
    x = 13,623.02

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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.