Home / 29,694.88-40,968.76-16,938.90

Finding the Fourth Proportional to 29,694.88, 40,968.76 and 16,938.90

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Solution

The fourth proportional to 29,694.88, 40,968.76 and 16,938.90 is: 23,369.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,694.88 : 40,968.76 = 16,938.90 : x
  2. Step 2: Convert to fraction form
    29,694.88/40,968.76 = 16,938.90/x
  3. Step 3: Cross multiply
    29,694.88x = 40,968.76 × 16,938.90
  4. Step 4: Simplify right side
    29,694.88x = 693,965,728.76
  5. Step 5: Solve for x
    x = 693,965,728.76/29,694.88
  6. Step 6: Final answer
    x = 23,369.88

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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.