Home / 18,761.49-25,890.66-10,263.53

Finding the Fourth Proportional to 18,761.49, 25,890.66 and 10,263.53

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Solution

The fourth proportional to 18,761.49, 25,890.66 and 10,263.53 is: 14,163.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,761.49 : 25,890.66 = 10,263.53 : x
  2. Step 2: Convert to fraction form
    18,761.49/25,890.66 = 10,263.53/x
  3. Step 3: Cross multiply
    18,761.49x = 25,890.66 × 10,263.53
  4. Step 4: Simplify right side
    18,761.49x = 265,729,436.18
  5. Step 5: Solve for x
    x = 265,729,436.18/18,761.49
  6. Step 6: Final answer
    x = 14,163.56

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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.