Home / 29,096.15-40,135.79-18,336.80

Finding the Fourth Proportional to 29,096.15, 40,135.79 and 18,336.80

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Solution

The fourth proportional to 29,096.15, 40,135.79 and 18,336.80 is: 25,294.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,096.15 : 40,135.79 = 18,336.80 : x
  2. Step 2: Convert to fraction form
    29,096.15/40,135.79 = 18,336.80/x
  3. Step 3: Cross multiply
    29,096.15x = 40,135.79 × 18,336.80
  4. Step 4: Simplify right side
    29,096.15x = 735,962,100.25
  5. Step 5: Solve for x
    x = 735,962,100.25/29,096.15
  6. Step 6: Final answer
    x = 25,294.14

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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.