Home / 18,450.17-25,458.66-10,491.51

Finding the Fourth Proportional to 18,450.17, 25,458.66 and 10,491.51

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Solution

The fourth proportional to 18,450.17, 25,458.66 and 10,491.51 is: 14,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.17 : 25,458.66 = 10,491.51 : x
  2. Step 2: Convert to fraction form
    18,450.17/25,458.66 = 10,491.51/x
  3. Step 3: Cross multiply
    18,450.17x = 25,458.66 × 10,491.51
  4. Step 4: Simplify right side
    18,450.17x = 267,099,785.98
  5. Step 5: Solve for x
    x = 267,099,785.98/18,450.17
  6. Step 6: Final answer
    x = 14,476.82

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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.