Home / 26,847.12-40,271.52-12,808.68

Finding the Fourth Proportional to 26,847.12, 40,271.52 and 12,808.68

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Solution

The fourth proportional to 26,847.12, 40,271.52 and 12,808.68 is: 19,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,847.12 : 40,271.52 = 12,808.68 : x
  2. Step 2: Convert to fraction form
    26,847.12/40,271.52 = 12,808.68/x
  3. Step 3: Cross multiply
    26,847.12x = 40,271.52 × 12,808.68
  4. Step 4: Simplify right side
    26,847.12x = 515,825,012.79
  5. Step 5: Solve for x
    x = 515,825,012.79/26,847.12
  6. Step 6: Final answer
    x = 19,213.42

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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.