Home / 14,195.96-19,590.40-8,231.08

Finding the Fourth Proportional to 14,195.96, 19,590.40 and 8,231.08

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Solution

The fourth proportional to 14,195.96, 19,590.40 and 8,231.08 is: 11,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.96 : 19,590.40 = 8,231.08 : x
  2. Step 2: Convert to fraction form
    14,195.96/19,590.40 = 8,231.08/x
  3. Step 3: Cross multiply
    14,195.96x = 19,590.40 × 8,231.08
  4. Step 4: Simplify right side
    14,195.96x = 161,250,149.63
  5. Step 5: Solve for x
    x = 161,250,149.63/14,195.96
  6. Step 6: Final answer
    x = 11,358.88

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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.