Home / 26,241.90-39,374.50-13,758.98

Finding the Fourth Proportional to 26,241.90, 39,374.50 and 13,758.98

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Solution

The fourth proportional to 26,241.90, 39,374.50 and 13,758.98 is: 20,644.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,241.90 : 39,374.50 = 13,758.98 : x
  2. Step 2: Convert to fraction form
    26,241.90/39,374.50 = 13,758.98/x
  3. Step 3: Cross multiply
    26,241.90x = 39,374.50 × 13,758.98
  4. Step 4: Simplify right side
    26,241.90x = 541,752,958.01
  5. Step 5: Solve for x
    x = 541,752,958.01/26,241.90
  6. Step 6: Final answer
    x = 20,644.58

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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.