Home / 26,910.60-40,346.70-12,107.40

Finding the Fourth Proportional to 26,910.60, 40,346.70 and 12,107.40

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Solution

The fourth proportional to 26,910.60, 40,346.70 and 12,107.40 is: 18,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910.60 : 40,346.70 = 12,107.40 : x
  2. Step 2: Convert to fraction form
    26,910.60/40,346.70 = 12,107.40/x
  3. Step 3: Cross multiply
    26,910.60x = 40,346.70 × 12,107.40
  4. Step 4: Simplify right side
    26,910.60x = 488,493,635.58
  5. Step 5: Solve for x
    x = 488,493,635.58/26,910.60
  6. Step 6: Final answer
    x = 18,152.46

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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.