Home / 27,406.97-37,821.67-14,831.72

Finding the Fourth Proportional to 27,406.97, 37,821.67 and 14,831.72

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Solution

The fourth proportional to 27,406.97, 37,821.67 and 14,831.72 is: 20,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,406.97 : 37,821.67 = 14,831.72 : x
  2. Step 2: Convert to fraction form
    27,406.97/37,821.67 = 14,831.72/x
  3. Step 3: Cross multiply
    27,406.97x = 37,821.67 × 14,831.72
  4. Step 4: Simplify right side
    27,406.97x = 560,960,476.85
  5. Step 5: Solve for x
    x = 560,960,476.85/27,406.97
  6. Step 6: Final answer
    x = 20,467.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.