Home / 18,576.30-25,635.08-10,192.80

Finding the Fourth Proportional to 18,576.30, 25,635.08 and 10,192.80

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Solution

The fourth proportional to 18,576.30, 25,635.08 and 10,192.80 is: 14,065.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,576.30 : 25,635.08 = 10,192.80 : x
  2. Step 2: Convert to fraction form
    18,576.30/25,635.08 = 10,192.80/x
  3. Step 3: Cross multiply
    18,576.30x = 25,635.08 × 10,192.80
  4. Step 4: Simplify right side
    18,576.30x = 261,293,243.42
  5. Step 5: Solve for x
    x = 261,293,243.42/18,576.30
  6. Step 6: Final answer
    x = 14,065.95

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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.