Home / 13,727.04-20,590.56-7,609.92

Finding the Fourth Proportional to 13,727.04, 20,590.56 and 7,609.92

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Solution

The fourth proportional to 13,727.04, 20,590.56 and 7,609.92 is: 11,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.04 : 20,590.56 = 7,609.92 : x
  2. Step 2: Convert to fraction form
    13,727.04/20,590.56 = 7,609.92/x
  3. Step 3: Cross multiply
    13,727.04x = 20,590.56 × 7,609.92
  4. Step 4: Simplify right side
    13,727.04x = 156,692,514.36
  5. Step 5: Solve for x
    x = 156,692,514.36/13,727.04
  6. Step 6: Final answer
    x = 11,414.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.