Home / 20,667.91-31,001.66-5,874.88

Finding the Fourth Proportional to 20,667.91, 31,001.66 and 5,874.88

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Solution

The fourth proportional to 20,667.91, 31,001.66 and 5,874.88 is: 8,812.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,667.91 : 31,001.66 = 5,874.88 : x
  2. Step 2: Convert to fraction form
    20,667.91/31,001.66 = 5,874.88/x
  3. Step 3: Cross multiply
    20,667.91x = 31,001.66 × 5,874.88
  4. Step 4: Simplify right side
    20,667.91x = 182,131,022.10
  5. Step 5: Solve for x
    x = 182,131,022.10/20,667.91
  6. Step 6: Final answer
    x = 8,812.26

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1.5x scale

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.