Home / 17,110.35-25,669.64-5,423.57

Finding the Fourth Proportional to 17,110.35, 25,669.64 and 5,423.57

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Solution

The fourth proportional to 17,110.35, 25,669.64 and 5,423.57 is: 8,136.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,110.35 : 25,669.64 = 5,423.57 : x
  2. Step 2: Convert to fraction form
    17,110.35/25,669.64 = 5,423.57/x
  3. Step 3: Cross multiply
    17,110.35x = 25,669.64 × 5,423.57
  4. Step 4: Simplify right side
    17,110.35x = 139,221,089.41
  5. Step 5: Solve for x
    x = 139,221,089.41/17,110.35
  6. Step 6: Final answer
    x = 8,136.66

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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.