Home / 16,911.62-25,369.86-5,225.84

Finding the Fourth Proportional to 16,911.62, 25,369.86 and 5,225.84

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Solution

The fourth proportional to 16,911.62, 25,369.86 and 5,225.84 is: 7,839.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.62 : 25,369.86 = 5,225.84 : x
  2. Step 2: Convert to fraction form
    16,911.62/25,369.86 = 5,225.84/x
  3. Step 3: Cross multiply
    16,911.62x = 25,369.86 × 5,225.84
  4. Step 4: Simplify right side
    16,911.62x = 132,578,829.18
  5. Step 5: Solve for x
    x = 132,578,829.18/16,911.62
  6. Step 6: Final answer
    x = 7,839.51

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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.