Home / 18,761.94-25,890.39-10,262.36

Finding the Fourth Proportional to 18,761.94, 25,890.39 and 10,262.36

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Solution

The fourth proportional to 18,761.94, 25,890.39 and 10,262.36 is: 14,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761.94 : 25,890.39 = 10,262.36 : x
  2. Step 2: Convert to fraction form
    18,761.94/25,890.39 = 10,262.36/x
  3. Step 3: Cross multiply
    18,761.94x = 25,890.39 × 10,262.36
  4. Step 4: Simplify right side
    18,761.94x = 265,696,567.45
  5. Step 5: Solve for x
    x = 265,696,567.45/18,761.94
  6. Step 6: Final answer
    x = 14,161.47

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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.