Home / 26,901.60-40,352.40-8,181.49

Finding the Fourth Proportional to 26,901.60, 40,352.40 and 8,181.49

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Solution

The fourth proportional to 26,901.60, 40,352.40 and 8,181.49 is: 12,272.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,901.60 : 40,352.40 = 8,181.49 : x
  2. Step 2: Convert to fraction form
    26,901.60/40,352.40 = 8,181.49/x
  3. Step 3: Cross multiply
    26,901.60x = 40,352.40 × 8,181.49
  4. Step 4: Simplify right side
    26,901.60x = 330,142,757.08
  5. Step 5: Solve for x
    x = 330,142,757.08/26,901.60
  6. Step 6: Final answer
    x = 12,272.24

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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.