Home / 19,913.54-29,883.87-8,226.68

Finding the Fourth Proportional to 19,913.54, 29,883.87 and 8,226.68

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Solution

The fourth proportional to 19,913.54, 29,883.87 and 8,226.68 is: 12,345.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,913.54 : 29,883.87 = 8,226.68 : x
  2. Step 2: Convert to fraction form
    19,913.54/29,883.87 = 8,226.68/x
  3. Step 3: Cross multiply
    19,913.54x = 29,883.87 × 8,226.68
  4. Step 4: Simplify right side
    19,913.54x = 245,844,886.23
  5. Step 5: Solve for x
    x = 245,844,886.23/19,913.54
  6. Step 6: Final answer
    x = 12,345.62

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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.