Home / 19,665.96-27,141.24-12,110.82

Finding the Fourth Proportional to 19,665.96, 27,141.24 and 12,110.82

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Solution

The fourth proportional to 19,665.96, 27,141.24 and 12,110.82 is: 16,714.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,665.96 : 27,141.24 = 12,110.82 : x
  2. Step 2: Convert to fraction form
    19,665.96/27,141.24 = 12,110.82/x
  3. Step 3: Cross multiply
    19,665.96x = 27,141.24 × 12,110.82
  4. Step 4: Simplify right side
    19,665.96x = 328,702,672.22
  5. Step 5: Solve for x
    x = 328,702,672.22/19,665.96
  6. Step 6: Final answer
    x = 16,714.30

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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.