Home / 18,318.73-25,279.71-10,252.39

Finding the Fourth Proportional to 18,318.73, 25,279.71 and 10,252.39

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Solution

The fourth proportional to 18,318.73, 25,279.71 and 10,252.39 is: 14,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.73 : 25,279.71 = 10,252.39 : x
  2. Step 2: Convert to fraction form
    18,318.73/25,279.71 = 10,252.39/x
  3. Step 3: Cross multiply
    18,318.73x = 25,279.71 × 10,252.39
  4. Step 4: Simplify right side
    18,318.73x = 259,177,446.01
  5. Step 5: Solve for x
    x = 259,177,446.01/18,318.73
  6. Step 6: Final answer
    x = 14,148.22

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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.