Home / 18,348.45-25,311.59-10,789.97

Finding the Fourth Proportional to 18,348.45, 25,311.59 and 10,789.97

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Solution

The fourth proportional to 18,348.45, 25,311.59 and 10,789.97 is: 14,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,348.45 : 25,311.59 = 10,789.97 : x
  2. Step 2: Convert to fraction form
    18,348.45/25,311.59 = 10,789.97/x
  3. Step 3: Cross multiply
    18,348.45x = 25,311.59 × 10,789.97
  4. Step 4: Simplify right side
    18,348.45x = 273,111,197.17
  5. Step 5: Solve for x
    x = 273,111,197.17/18,348.45
  6. Step 6: Final answer
    x = 14,884.70

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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.