Home / 29,083.60-43,625.64-12,435.04

Finding the Fourth Proportional to 29,083.60, 43,625.64 and 12,435.04

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Solution

The fourth proportional to 29,083.60, 43,625.64 and 12,435.04 is: 18,652.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,083.60 : 43,625.64 = 12,435.04 : x
  2. Step 2: Convert to fraction form
    29,083.60/43,625.64 = 12,435.04/x
  3. Step 3: Cross multiply
    29,083.60x = 43,625.64 × 12,435.04
  4. Step 4: Simplify right side
    29,083.60x = 542,486,578.43
  5. Step 5: Solve for x
    x = 542,486,578.43/29,083.60
  6. Step 6: Final answer
    x = 18,652.66

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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.