Home / 25,299.12-37,789.40-18,576.15

Finding the Fourth Proportional to 25,299.12, 37,789.40 and 18,576.15

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Solution

The fourth proportional to 25,299.12, 37,789.40 and 18,576.15 is: 27,747.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,299.12 : 37,789.40 = 18,576.15 : x
  2. Step 2: Convert to fraction form
    25,299.12/37,789.40 = 18,576.15/x
  3. Step 3: Cross multiply
    25,299.12x = 37,789.40 × 18,576.15
  4. Step 4: Simplify right side
    25,299.12x = 701,981,442.31
  5. Step 5: Solve for x
    x = 701,981,442.31/25,299.12
  6. Step 6: Final answer
    x = 27,747.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.