Home / 29,382.30-40,537.44-18,778.14

Finding the Fourth Proportional to 29,382.30, 40,537.44 and 18,778.14

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Solution

The fourth proportional to 29,382.30, 40,537.44 and 18,778.14 is: 25,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,382.30 : 40,537.44 = 18,778.14 : x
  2. Step 2: Convert to fraction form
    29,382.30/40,537.44 = 18,778.14/x
  3. Step 3: Cross multiply
    29,382.30x = 40,537.44 × 18,778.14
  4. Step 4: Simplify right side
    29,382.30x = 761,217,723.56
  5. Step 5: Solve for x
    x = 761,217,723.56/29,382.30
  6. Step 6: Final answer
    x = 25,907.36

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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.