Home / 25,845.30-38,787.39-17,505.54

Finding the Fourth Proportional to 25,845.30, 38,787.39 and 17,505.54

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Solution

The fourth proportional to 25,845.30, 38,787.39 and 17,505.54 is: 26,271.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,845.30 : 38,787.39 = 17,505.54 : x
  2. Step 2: Convert to fraction form
    25,845.30/38,787.39 = 17,505.54/x
  3. Step 3: Cross multiply
    25,845.30x = 38,787.39 × 17,505.54
  4. Step 4: Simplify right side
    25,845.30x = 678,994,207.14
  5. Step 5: Solve for x
    x = 678,994,207.14/25,845.30
  6. Step 6: Final answer
    x = 26,271.48

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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.