Home / 29,512.12-40,723.14-16,760.74

Finding the Fourth Proportional to 29,512.12, 40,723.14 and 16,760.74

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Solution

The fourth proportional to 29,512.12, 40,723.14 and 16,760.74 is: 23,127.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,512.12 : 40,723.14 = 16,760.74 : x
  2. Step 2: Convert to fraction form
    29,512.12/40,723.14 = 16,760.74/x
  3. Step 3: Cross multiply
    29,512.12x = 40,723.14 × 16,760.74
  4. Step 4: Simplify right side
    29,512.12x = 682,549,961.52
  5. Step 5: Solve for x
    x = 682,549,961.52/29,512.12
  6. Step 6: Final answer
    x = 23,127.78

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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.