Home / 14,833.94-20,470.86-8,119.64

Finding the Fourth Proportional to 14,833.94, 20,470.86 and 8,119.64

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Solution

The fourth proportional to 14,833.94, 20,470.86 and 8,119.64 is: 11,205.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,833.94 : 20,470.86 = 8,119.64 : x
  2. Step 2: Convert to fraction form
    14,833.94/20,470.86 = 8,119.64/x
  3. Step 3: Cross multiply
    14,833.94x = 20,470.86 × 8,119.64
  4. Step 4: Simplify right side
    14,833.94x = 166,216,064.87
  5. Step 5: Solve for x
    x = 166,216,064.87/14,833.94
  6. Step 6: Final answer
    x = 11,205.12

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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.