Home / 27,407.06-37,821.78-14,831.80

Finding the Fourth Proportional to 27,407.06, 37,821.78 and 14,831.80

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Solution

The fourth proportional to 27,407.06, 37,821.78 and 14,831.80 is: 20,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,407.06 : 37,821.78 = 14,831.80 : x
  2. Step 2: Convert to fraction form
    27,407.06/37,821.78 = 14,831.80/x
  3. Step 3: Cross multiply
    27,407.06x = 37,821.78 × 14,831.80
  4. Step 4: Simplify right side
    27,407.06x = 560,965,076.60
  5. Step 5: Solve for x
    x = 560,965,076.60/27,407.06
  6. Step 6: Final answer
    x = 20,467.90

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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.