Home / 14,833.21-20,469.52-8,118.68

Finding the Fourth Proportional to 14,833.21, 20,469.52 and 8,118.68

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Solution

The fourth proportional to 14,833.21, 20,469.52 and 8,118.68 is: 11,203.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,833.21 : 20,469.52 = 8,118.68 : x
  2. Step 2: Convert to fraction form
    14,833.21/20,469.52 = 8,118.68/x
  3. Step 3: Cross multiply
    14,833.21x = 20,469.52 × 8,118.68
  4. Step 4: Simplify right side
    14,833.21x = 166,185,482.63
  5. Step 5: Solve for x
    x = 166,185,482.63/14,833.21
  6. Step 6: Final answer
    x = 11,203.61

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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.