Home / 26,945.74-40,423.46-12,161.62

Finding the Fourth Proportional to 26,945.74, 40,423.46 and 12,161.62

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Solution

The fourth proportional to 26,945.74, 40,423.46 and 12,161.62 is: 18,244.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.74 : 40,423.46 = 12,161.62 : x
  2. Step 2: Convert to fraction form
    26,945.74/40,423.46 = 12,161.62/x
  3. Step 3: Cross multiply
    26,945.74x = 40,423.46 × 12,161.62
  4. Step 4: Simplify right side
    26,945.74x = 491,614,587.89
  5. Step 5: Solve for x
    x = 491,614,587.89/26,945.74
  6. Step 6: Final answer
    x = 18,244.62

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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.