Home / 18,318.87-25,277.31-10,360.92

Finding the Fourth Proportional to 18,318.87, 25,277.31 and 10,360.92

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Solution

The fourth proportional to 18,318.87, 25,277.31 and 10,360.92 is: 14,296.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,318.87 : 25,277.31 = 10,360.92 : x
  2. Step 2: Convert to fraction form
    18,318.87/25,277.31 = 10,360.92/x
  3. Step 3: Cross multiply
    18,318.87x = 25,277.31 × 10,360.92
  4. Step 4: Simplify right side
    18,318.87x = 261,896,186.73
  5. Step 5: Solve for x
    x = 261,896,186.73/18,318.87
  6. Step 6: Final answer
    x = 14,296.53

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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.