Home / 14,464.12-19,961.46-8,091.31

Finding the Fourth Proportional to 14,464.12, 19,961.46 and 8,091.31

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Solution

The fourth proportional to 14,464.12, 19,961.46 and 8,091.31 is: 11,166.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,464.12 : 19,961.46 = 8,091.31 : x
  2. Step 2: Convert to fraction form
    14,464.12/19,961.46 = 8,091.31/x
  3. Step 3: Cross multiply
    14,464.12x = 19,961.46 × 8,091.31
  4. Step 4: Simplify right side
    14,464.12x = 161,514,360.91
  5. Step 5: Solve for x
    x = 161,514,360.91/14,464.12
  6. Step 6: Final answer
    x = 11,166.55

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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.