Home / 21,667.26-32,500.88-5,251.26

Finding the Fourth Proportional to 21,667.26, 32,500.88 and 5,251.26

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Solution

The fourth proportional to 21,667.26, 32,500.88 and 5,251.26 is: 7,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,667.26 : 32,500.88 = 5,251.26 : x
  2. Step 2: Convert to fraction form
    21,667.26/32,500.88 = 5,251.26/x
  3. Step 3: Cross multiply
    21,667.26x = 32,500.88 × 5,251.26
  4. Step 4: Simplify right side
    21,667.26x = 170,670,571.11
  5. Step 5: Solve for x
    x = 170,670,571.11/21,667.26
  6. Step 6: Final answer
    x = 7,876.89

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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.