Home / 15,748.75-23,625.64-5,219.15

Finding the Fourth Proportional to 15,748.75, 23,625.64 and 5,219.15

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Solution

The fourth proportional to 15,748.75, 23,625.64 and 5,219.15 is: 7,829.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,748.75 : 23,625.64 = 5,219.15 : x
  2. Step 2: Convert to fraction form
    15,748.75/23,625.64 = 5,219.15/x
  3. Step 3: Cross multiply
    15,748.75x = 23,625.64 × 5,219.15
  4. Step 4: Simplify right side
    15,748.75x = 123,305,658.61
  5. Step 5: Solve for x
    x = 123,305,658.61/15,748.75
  6. Step 6: Final answer
    x = 7,829.55

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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.