Home / 18,255.46-25,192.53-9,871.96

Finding the Fourth Proportional to 18,255.46, 25,192.53 and 9,871.96

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Solution

The fourth proportional to 18,255.46, 25,192.53 and 9,871.96 is: 13,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,255.46 : 25,192.53 = 9,871.96 : x
  2. Step 2: Convert to fraction form
    18,255.46/25,192.53 = 9,871.96/x
  3. Step 3: Cross multiply
    18,255.46x = 25,192.53 × 9,871.96
  4. Step 4: Simplify right side
    18,255.46x = 248,699,473.14
  5. Step 5: Solve for x
    x = 248,699,473.14/18,255.46
  6. Step 6: Final answer
    x = 13,623.30

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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.