Home / 15,175.07-22,762.60-4,787.63

Finding the Fourth Proportional to 15,175.07, 22,762.60 and 4,787.63

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Solution

The fourth proportional to 15,175.07, 22,762.60 and 4,787.63 is: 7,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,175.07 : 22,762.60 = 4,787.63 : x
  2. Step 2: Convert to fraction form
    15,175.07/22,762.60 = 4,787.63/x
  3. Step 3: Cross multiply
    15,175.07x = 22,762.60 × 4,787.63
  4. Step 4: Simplify right side
    15,175.07x = 108,978,780.86
  5. Step 5: Solve for x
    x = 108,978,780.86/15,175.07
  6. Step 6: Final answer
    x = 7,181.44

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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.