Home / 17,387.37-26,081.49-5,540.95

Finding the Fourth Proportional to 17,387.37, 26,081.49 and 5,540.95

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Solution

The fourth proportional to 17,387.37, 26,081.49 and 5,540.95 is: 8,311.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,387.37 : 26,081.49 = 5,540.95 : x
  2. Step 2: Convert to fraction form
    17,387.37/26,081.49 = 5,540.95/x
  3. Step 3: Cross multiply
    17,387.37x = 26,081.49 × 5,540.95
  4. Step 4: Simplify right side
    17,387.37x = 144,516,232.02
  5. Step 5: Solve for x
    x = 144,516,232.02/17,387.37
  6. Step 6: Final answer
    x = 8,311.56

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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.