Home / 16,831.13-25,247.70-5,144.45

Finding the Fourth Proportional to 16,831.13, 25,247.70 and 5,144.45

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Solution

The fourth proportional to 16,831.13, 25,247.70 and 5,144.45 is: 7,716.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.13 : 25,247.70 = 5,144.45 : x
  2. Step 2: Convert to fraction form
    16,831.13/25,247.70 = 5,144.45/x
  3. Step 3: Cross multiply
    16,831.13x = 25,247.70 × 5,144.45
  4. Step 4: Simplify right side
    16,831.13x = 129,885,404.03
  5. Step 5: Solve for x
    x = 129,885,404.03/16,831.13
  6. Step 6: Final answer
    x = 7,716.98

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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.