Home / 26,918.92-40,385.13-15,834.88

Finding the Fourth Proportional to 26,918.92, 40,385.13 and 15,834.88

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Solution

The fourth proportional to 26,918.92, 40,385.13 and 15,834.88 is: 23,756.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,918.92 : 40,385.13 = 15,834.88 : x
  2. Step 2: Convert to fraction form
    26,918.92/40,385.13 = 15,834.88/x
  3. Step 3: Cross multiply
    26,918.92x = 40,385.13 × 15,834.88
  4. Step 4: Simplify right side
    26,918.92x = 639,493,687.33
  5. Step 5: Solve for x
    x = 639,493,687.33/26,918.92
  6. Step 6: Final answer
    x = 23,756.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.