Home / 26,115.42-39,175.02-12,954.54

Finding the Fourth Proportional to 26,115.42, 39,175.02 and 12,954.54

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Solution

The fourth proportional to 26,115.42, 39,175.02 and 12,954.54 is: 19,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.42 : 39,175.02 = 12,954.54 : x
  2. Step 2: Convert to fraction form
    26,115.42/39,175.02 = 12,954.54/x
  3. Step 3: Cross multiply
    26,115.42x = 39,175.02 × 12,954.54
  4. Step 4: Simplify right side
    26,115.42x = 507,494,363.59
  5. Step 5: Solve for x
    x = 507,494,363.59/26,115.42
  6. Step 6: Final answer
    x = 19,432.75

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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.