Home / 25,551.99-38,329.90-6,831.61

Finding the Fourth Proportional to 25,551.99, 38,329.90 and 6,831.61

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Solution

The fourth proportional to 25,551.99, 38,329.90 and 6,831.61 is: 10,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,551.99 : 38,329.90 = 6,831.61 : x
  2. Step 2: Convert to fraction form
    25,551.99/38,329.90 = 6,831.61/x
  3. Step 3: Cross multiply
    25,551.99x = 38,329.90 × 6,831.61
  4. Step 4: Simplify right side
    25,551.99x = 261,854,928.14
  5. Step 5: Solve for x
    x = 261,854,928.14/25,551.99
  6. Step 6: Final answer
    x = 10,247.93

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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.