Home / 25,775.65-38,644.56-8,235.37

Finding the Fourth Proportional to 25,775.65, 38,644.56 and 8,235.37

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Solution

The fourth proportional to 25,775.65, 38,644.56 and 8,235.37 is: 12,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,775.65 : 38,644.56 = 8,235.37 : x
  2. Step 2: Convert to fraction form
    25,775.65/38,644.56 = 8,235.37/x
  3. Step 3: Cross multiply
    25,775.65x = 38,644.56 × 8,235.37
  4. Step 4: Simplify right side
    25,775.65x = 318,252,208.91
  5. Step 5: Solve for x
    x = 318,252,208.91/25,775.65
  6. Step 6: Final answer
    x = 12,347.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.