Home / 26,846.70-40,282.20-12,801.30

Finding the Fourth Proportional to 26,846.70, 40,282.20 and 12,801.30

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Solution

The fourth proportional to 26,846.70, 40,282.20 and 12,801.30 is: 19,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,846.70 : 40,282.20 = 12,801.30 : x
  2. Step 2: Convert to fraction form
    26,846.70/40,282.20 = 12,801.30/x
  3. Step 3: Cross multiply
    26,846.70x = 40,282.20 × 12,801.30
  4. Step 4: Simplify right side
    26,846.70x = 515,664,526.86
  5. Step 5: Solve for x
    x = 515,664,526.86/26,846.70
  6. Step 6: Final answer
    x = 19,207.74

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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.