Home / 18,185.29-25,099.14-11,382.46

Finding the Fourth Proportional to 18,185.29, 25,099.14 and 11,382.46

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Solution

The fourth proportional to 18,185.29, 25,099.14 and 11,382.46 is: 15,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,185.29 : 25,099.14 = 11,382.46 : x
  2. Step 2: Convert to fraction form
    18,185.29/25,099.14 = 11,382.46/x
  3. Step 3: Cross multiply
    18,185.29x = 25,099.14 × 11,382.46
  4. Step 4: Simplify right side
    18,185.29x = 285,689,928.63
  5. Step 5: Solve for x
    x = 285,689,928.63/18,185.29
  6. Step 6: Final answer
    x = 15,709.95

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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.