Home / 26,911.41-40,366.70-12,109.88

Finding the Fourth Proportional to 26,911.41, 40,366.70 and 12,109.88

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Solution

The fourth proportional to 26,911.41, 40,366.70 and 12,109.88 is: 18,164.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,911.41 : 40,366.70 = 12,109.88 : x
  2. Step 2: Convert to fraction form
    26,911.41/40,366.70 = 12,109.88/x
  3. Step 3: Cross multiply
    26,911.41x = 40,366.70 × 12,109.88
  4. Step 4: Simplify right side
    26,911.41x = 488,835,630.61
  5. Step 5: Solve for x
    x = 488,835,630.61/26,911.41
  6. Step 6: Final answer
    x = 18,164.62

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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.