Home / 26,539.38-39,815.21-11,748.42

Finding the Fourth Proportional to 26,539.38, 39,815.21 and 11,748.42

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Solution

The fourth proportional to 26,539.38, 39,815.21 and 11,748.42 is: 17,625.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,539.38 : 39,815.21 = 11,748.42 : x
  2. Step 2: Convert to fraction form
    26,539.38/39,815.21 = 11,748.42/x
  3. Step 3: Cross multiply
    26,539.38x = 39,815.21 × 11,748.42
  4. Step 4: Simplify right side
    26,539.38x = 467,765,838.84
  5. Step 5: Solve for x
    x = 467,765,838.84/26,539.38
  6. Step 6: Final answer
    x = 17,625.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.