Home / 14,520.06-20,049.42-11,831.64

Finding the Fourth Proportional to 14,520.06, 20,049.42 and 11,831.64

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Solution

The fourth proportional to 14,520.06, 20,049.42 and 11,831.64 is: 16,337.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.06 : 20,049.42 = 11,831.64 : x
  2. Step 2: Convert to fraction form
    14,520.06/20,049.42 = 11,831.64/x
  3. Step 3: Cross multiply
    14,520.06x = 20,049.42 × 11,831.64
  4. Step 4: Simplify right side
    14,520.06x = 237,217,488.83
  5. Step 5: Solve for x
    x = 237,217,488.83/14,520.06
  6. Step 6: Final answer
    x = 16,337.23

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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.