Home / 17,221.11-25,831.67-5,542.53

Finding the Fourth Proportional to 17,221.11, 25,831.67 and 5,542.53

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Solution

The fourth proportional to 17,221.11, 25,831.67 and 5,542.53 is: 8,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,221.11 : 25,831.67 = 5,542.53 : x
  2. Step 2: Convert to fraction form
    17,221.11/25,831.67 = 5,542.53/x
  3. Step 3: Cross multiply
    17,221.11x = 25,831.67 × 5,542.53
  4. Step 4: Simplify right side
    17,221.11x = 143,172,778.21
  5. Step 5: Solve for x
    x = 143,172,778.21/17,221.11
  6. Step 6: Final answer
    x = 8,313.80

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1.5x scale

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.