Home / 20,066.96-27,695.64-12,110.36

Finding the Fourth Proportional to 20,066.96, 27,695.64 and 12,110.36

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Solution

The fourth proportional to 20,066.96, 27,695.64 and 12,110.36 is: 16,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.96 : 27,695.64 = 12,110.36 : x
  2. Step 2: Convert to fraction form
    20,066.96/27,695.64 = 12,110.36/x
  3. Step 3: Cross multiply
    20,066.96x = 27,695.64 × 12,110.36
  4. Step 4: Simplify right side
    20,066.96x = 335,404,170.83
  5. Step 5: Solve for x
    x = 335,404,170.83/20,066.96
  6. Step 6: Final answer
    x = 16,714.25

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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.