Home / 26,183.10-36,145.59-20,508.06

Finding the Fourth Proportional to 26,183.10, 36,145.59 and 20,508.06

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Solution

The fourth proportional to 26,183.10, 36,145.59 and 20,508.06 is: 28,311.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,183.10 : 36,145.59 = 20,508.06 : x
  2. Step 2: Convert to fraction form
    26,183.10/36,145.59 = 20,508.06/x
  3. Step 3: Cross multiply
    26,183.10x = 36,145.59 × 20,508.06
  4. Step 4: Simplify right side
    26,183.10x = 741,275,928.46
  5. Step 5: Solve for x
    x = 741,275,928.46/26,183.10
  6. Step 6: Final answer
    x = 28,311.24

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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.