Home / 17,066.92-25,603.32-5,220.41

Finding the Fourth Proportional to 17,066.92, 25,603.32 and 5,220.41

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Solution

The fourth proportional to 17,066.92, 25,603.32 and 5,220.41 is: 7,831.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,066.92 : 25,603.32 = 5,220.41 : x
  2. Step 2: Convert to fraction form
    17,066.92/25,603.32 = 5,220.41/x
  3. Step 3: Cross multiply
    17,066.92x = 25,603.32 × 5,220.41
  4. Step 4: Simplify right side
    17,066.92x = 133,659,747.28
  5. Step 5: Solve for x
    x = 133,659,747.28/17,066.92
  6. Step 6: Final answer
    x = 7,831.51

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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.