Home / 18,748.52-25,868.68-11,197.32

Finding the Fourth Proportional to 18,748.52, 25,868.68 and 11,197.32

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Solution

The fourth proportional to 18,748.52, 25,868.68 and 11,197.32 is: 15,449.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.52 : 25,868.68 = 11,197.32 : x
  2. Step 2: Convert to fraction form
    18,748.52/25,868.68 = 11,197.32/x
  3. Step 3: Cross multiply
    18,748.52x = 25,868.68 × 11,197.32
  4. Step 4: Simplify right side
    18,748.52x = 289,659,887.94
  5. Step 5: Solve for x
    x = 289,659,887.94/18,748.52
  6. Step 6: Final answer
    x = 15,449.75

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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.