Home / 19,340.82-26,675.24-12,965.31

Finding the Fourth Proportional to 19,340.82, 26,675.24 and 12,965.31

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Solution

The fourth proportional to 19,340.82, 26,675.24 and 12,965.31 is: 17,882.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.82 : 26,675.24 = 12,965.31 : x
  2. Step 2: Convert to fraction form
    19,340.82/26,675.24 = 12,965.31/x
  3. Step 3: Cross multiply
    19,340.82x = 26,675.24 × 12,965.31
  4. Step 4: Simplify right side
    19,340.82x = 345,852,691.10
  5. Step 5: Solve for x
    x = 345,852,691.10/19,340.82
  6. Step 6: Final answer
    x = 17,882.01

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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.