Home / 29,286.76-40,416.42-16,712.68

Finding the Fourth Proportional to 29,286.76, 40,416.42 and 16,712.68

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Solution

The fourth proportional to 29,286.76, 40,416.42 and 16,712.68 is: 23,063.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,286.76 : 40,416.42 = 16,712.68 : x
  2. Step 2: Convert to fraction form
    29,286.76/40,416.42 = 16,712.68/x
  3. Step 3: Cross multiply
    29,286.76x = 40,416.42 × 16,712.68
  4. Step 4: Simplify right side
    29,286.76x = 675,466,694.21
  5. Step 5: Solve for x
    x = 675,466,694.21/29,286.76
  6. Step 6: Final answer
    x = 23,063.89

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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.