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Finding the Fourth Proportional to 17,438.60, 26,129.10 and 14,846.60

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Solution

The fourth proportional to 17,438.60, 26,129.10 and 14,846.60 is: 22,245.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,438.60 : 26,129.10 = 14,846.60 : x
  2. Step 2: Convert to fraction form
    17,438.60/26,129.10 = 14,846.60/x
  3. Step 3: Cross multiply
    17,438.60x = 26,129.10 × 14,846.60
  4. Step 4: Simplify right side
    17,438.60x = 387,928,296.06
  5. Step 5: Solve for x
    x = 387,928,296.06/17,438.60
  6. Step 6: Final answer
    x = 22,245.38

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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.