Home / 26,847.80-40,258.68-8,124.32

Finding the Fourth Proportional to 26,847.80, 40,258.68 and 8,124.32

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Solution

The fourth proportional to 26,847.80, 40,258.68 and 8,124.32 is: 12,182.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,847.80 : 40,258.68 = 8,124.32 : x
  2. Step 2: Convert to fraction form
    26,847.80/40,258.68 = 8,124.32/x
  3. Step 3: Cross multiply
    26,847.80x = 40,258.68 × 8,124.32
  4. Step 4: Simplify right side
    26,847.80x = 327,074,399.10
  5. Step 5: Solve for x
    x = 327,074,399.10/26,847.80
  6. Step 6: Final answer
    x = 12,182.54

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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.