Home / 18,111.20-24,998.70-11,737.58

Finding the Fourth Proportional to 18,111.20, 24,998.70 and 11,737.58

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Solution

The fourth proportional to 18,111.20, 24,998.70 and 11,737.58 is: 16,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.20 : 24,998.70 = 11,737.58 : x
  2. Step 2: Convert to fraction form
    18,111.20/24,998.70 = 11,737.58/x
  3. Step 3: Cross multiply
    18,111.20x = 24,998.70 × 11,737.58
  4. Step 4: Simplify right side
    18,111.20x = 293,424,241.15
  5. Step 5: Solve for x
    x = 293,424,241.15/18,111.20
  6. Step 6: Final answer
    x = 16,201.26

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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.