Home / 14,831.28-20,466.26-8,115.56

Finding the Fourth Proportional to 14,831.28, 20,466.26 and 8,115.56

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Solution

The fourth proportional to 14,831.28, 20,466.26 and 8,115.56 is: 11,198.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,831.28 : 20,466.26 = 8,115.56 : x
  2. Step 2: Convert to fraction form
    14,831.28/20,466.26 = 8,115.56/x
  3. Step 3: Cross multiply
    14,831.28x = 20,466.26 × 8,115.56
  4. Step 4: Simplify right side
    14,831.28x = 166,095,161.01
  5. Step 5: Solve for x
    x = 166,095,161.01/14,831.28
  6. Step 6: Final answer
    x = 11,198.98

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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.