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Finding the Fourth Proportional to 17,462.94, 26,194.41 and 12,291.90

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Solution

The fourth proportional to 17,462.94, 26,194.41 and 12,291.90 is: 18,437.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,462.94 : 26,194.41 = 12,291.90 : x
  2. Step 2: Convert to fraction form
    17,462.94/26,194.41 = 12,291.90/x
  3. Step 3: Cross multiply
    17,462.94x = 26,194.41 × 12,291.90
  4. Step 4: Simplify right side
    17,462.94x = 321,979,068.28
  5. Step 5: Solve for x
    x = 321,979,068.28/17,462.94
  6. Step 6: Final answer
    x = 18,437.85

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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.