Home / 15,748.35-23,625.84-5,217.77

Finding the Fourth Proportional to 15,748.35, 23,625.84 and 5,217.77

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Solution

The fourth proportional to 15,748.35, 23,625.84 and 5,217.77 is: 7,827.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,748.35 : 23,625.84 = 5,217.77 : x
  2. Step 2: Convert to fraction form
    15,748.35/23,625.84 = 5,217.77/x
  3. Step 3: Cross multiply
    15,748.35x = 23,625.84 × 5,217.77
  4. Step 4: Simplify right side
    15,748.35x = 123,274,081.05
  5. Step 5: Solve for x
    x = 123,274,081.05/15,748.35
  6. Step 6: Final answer
    x = 7,827.75

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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.