Home / 19,917.75-29,869.66-5,874.05

Finding the Fourth Proportional to 19,917.75, 29,869.66 and 5,874.05

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Solution

The fourth proportional to 19,917.75, 29,869.66 and 5,874.05 is: 8,809.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,917.75 : 29,869.66 = 5,874.05 : x
  2. Step 2: Convert to fraction form
    19,917.75/29,869.66 = 5,874.05/x
  3. Step 3: Cross multiply
    19,917.75x = 29,869.66 × 5,874.05
  4. Step 4: Simplify right side
    19,917.75x = 175,455,958.34
  5. Step 5: Solve for x
    x = 175,455,958.34/19,917.75
  6. Step 6: Final answer
    x = 8,809.02

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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.