Home / 17,932.70-26,899.05-13,793.60

Finding the Fourth Proportional to 17,932.70, 26,899.05 and 13,793.60

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Solution

The fourth proportional to 17,932.70, 26,899.05 and 13,793.60 is: 20,690.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,932.70 : 26,899.05 = 13,793.60 : x
  2. Step 2: Convert to fraction form
    17,932.70/26,899.05 = 13,793.60/x
  3. Step 3: Cross multiply
    17,932.70x = 26,899.05 × 13,793.60
  4. Step 4: Simplify right side
    17,932.70x = 371,034,736.08
  5. Step 5: Solve for x
    x = 371,034,736.08/17,932.70
  6. Step 6: Final answer
    x = 20,690.40

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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.