Home / 29,512.50-40,728.96-16,938.06

Finding the Fourth Proportional to 29,512.50, 40,728.96 and 16,938.06

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Solution

The fourth proportional to 29,512.50, 40,728.96 and 16,938.06 is: 23,375.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,512.50 : 40,728.96 = 16,938.06 : x
  2. Step 2: Convert to fraction form
    29,512.50/40,728.96 = 16,938.06/x
  3. Step 3: Cross multiply
    29,512.50x = 40,728.96 × 16,938.06
  4. Step 4: Simplify right side
    29,512.50x = 689,869,568.22
  5. Step 5: Solve for x
    x = 689,869,568.22/29,512.50
  6. Step 6: Final answer
    x = 23,375.50

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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.