Home / 26,876.18-40,259.40-12,793.60

Finding the Fourth Proportional to 26,876.18, 40,259.40 and 12,793.60

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Solution

The fourth proportional to 26,876.18, 40,259.40 and 12,793.60 is: 19,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,876.18 : 40,259.40 = 12,793.60 : x
  2. Step 2: Convert to fraction form
    26,876.18/40,259.40 = 12,793.60/x
  3. Step 3: Cross multiply
    26,876.18x = 40,259.40 × 12,793.60
  4. Step 4: Simplify right side
    26,876.18x = 515,062,659.84
  5. Step 5: Solve for x
    x = 515,062,659.84/26,876.18
  6. Step 6: Final answer
    x = 19,164.28

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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.