Home / 19,998.72-27,596.16-11,613.60

Finding the Fourth Proportional to 19,998.72, 27,596.16 and 11,613.60

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Solution

The fourth proportional to 19,998.72, 27,596.16 and 11,613.60 is: 16,025.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.72 : 27,596.16 = 11,613.60 : x
  2. Step 2: Convert to fraction form
    19,998.72/27,596.16 = 11,613.60/x
  3. Step 3: Cross multiply
    19,998.72x = 27,596.16 × 11,613.60
  4. Step 4: Simplify right side
    19,998.72x = 320,490,763.78
  5. Step 5: Solve for x
    x = 320,490,763.78/19,998.72
  6. Step 6: Final answer
    x = 16,025.56

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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.