Home / 18,826.49-28,226.14-9,458.51

Finding the Fourth Proportional to 18,826.49, 28,226.14 and 9,458.51

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Solution

The fourth proportional to 18,826.49, 28,226.14 and 9,458.51 is: 14,180.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.49 : 28,226.14 = 9,458.51 : x
  2. Step 2: Convert to fraction form
    18,826.49/28,226.14 = 9,458.51/x
  3. Step 3: Cross multiply
    18,826.49x = 28,226.14 × 9,458.51
  4. Step 4: Simplify right side
    18,826.49x = 266,977,062.67
  5. Step 5: Solve for x
    x = 266,977,062.67/18,826.49
  6. Step 6: Final answer
    x = 14,180.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.