Home / 21,433.75-32,171.33-10,348.22

Finding the Fourth Proportional to 21,433.75, 32,171.33 and 10,348.22

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Solution

The fourth proportional to 21,433.75, 32,171.33 and 10,348.22 is: 15,532.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433.75 : 32,171.33 = 10,348.22 : x
  2. Step 2: Convert to fraction form
    21,433.75/32,171.33 = 10,348.22/x
  3. Step 3: Cross multiply
    21,433.75x = 32,171.33 × 10,348.22
  4. Step 4: Simplify right side
    21,433.75x = 332,915,948.79
  5. Step 5: Solve for x
    x = 332,915,948.79/21,433.75
  6. Step 6: Final answer
    x = 15,532.33

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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.