Home / 18,940.62-26,127.22-11,854.74

Finding the Fourth Proportional to 18,940.62, 26,127.22 and 11,854.74

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Solution

The fourth proportional to 18,940.62, 26,127.22 and 11,854.74 is: 16,352.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940.62 : 26,127.22 = 11,854.74 : x
  2. Step 2: Convert to fraction form
    18,940.62/26,127.22 = 11,854.74/x
  3. Step 3: Cross multiply
    18,940.62x = 26,127.22 × 11,854.74
  4. Step 4: Simplify right side
    18,940.62x = 309,731,400.02
  5. Step 5: Solve for x
    x = 309,731,400.02/18,940.62
  6. Step 6: Final answer
    x = 16,352.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.