Home / 17,720.44-26,580.76-4,571.91

Finding the Fourth Proportional to 17,720.44, 26,580.76 and 4,571.91

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Solution

The fourth proportional to 17,720.44, 26,580.76 and 4,571.91 is: 6,857.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.44 : 26,580.76 = 4,571.91 : x
  2. Step 2: Convert to fraction form
    17,720.44/26,580.76 = 4,571.91/x
  3. Step 3: Cross multiply
    17,720.44x = 26,580.76 × 4,571.91
  4. Step 4: Simplify right side
    17,720.44x = 121,524,831.02
  5. Step 5: Solve for x
    x = 121,524,831.02/17,720.44
  6. Step 6: Final answer
    x = 6,857.89

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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.