Home / 18,760.38-25,885.50-10,800.52

Finding the Fourth Proportional to 18,760.38, 25,885.50 and 10,800.52

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Solution

The fourth proportional to 18,760.38, 25,885.50 and 10,800.52 is: 14,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760.38 : 25,885.50 = 10,800.52 : x
  2. Step 2: Convert to fraction form
    18,760.38/25,885.50 = 10,800.52/x
  3. Step 3: Cross multiply
    18,760.38x = 25,885.50 × 10,800.52
  4. Step 4: Simplify right side
    18,760.38x = 279,576,860.46
  5. Step 5: Solve for x
    x = 279,576,860.46/18,760.38
  6. Step 6: Final answer
    x = 14,902.52

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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.