Home / 17,172.69-23,819.55-16,717.47

Finding the Fourth Proportional to 17,172.69, 23,819.55 and 16,717.47

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Solution

The fourth proportional to 17,172.69, 23,819.55 and 16,717.47 is: 23,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172.69 : 23,819.55 = 16,717.47 : x
  2. Step 2: Convert to fraction form
    17,172.69/23,819.55 = 16,717.47/x
  3. Step 3: Cross multiply
    17,172.69x = 23,819.55 × 16,717.47
  4. Step 4: Simplify right side
    17,172.69x = 398,202,612.54
  5. Step 5: Solve for x
    x = 398,202,612.54/17,172.69
  6. Step 6: Final answer
    x = 23,188.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.