Home / 29,711.43-40,995.12-16,960.54

Finding the Fourth Proportional to 29,711.43, 40,995.12 and 16,960.54

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Solution

The fourth proportional to 29,711.43, 40,995.12 and 16,960.54 is: 23,401.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,711.43 : 40,995.12 = 16,960.54 : x
  2. Step 2: Convert to fraction form
    29,711.43/40,995.12 = 16,960.54/x
  3. Step 3: Cross multiply
    29,711.43x = 40,995.12 × 16,960.54
  4. Step 4: Simplify right side
    29,711.43x = 695,299,372.56
  5. Step 5: Solve for x
    x = 695,299,372.56/29,711.43
  6. Step 6: Final answer
    x = 23,401.75

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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.