Home / 21,992.22-32,972.67-10,299.06

Finding the Fourth Proportional to 21,992.22, 32,972.67 and 10,299.06

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Solution

The fourth proportional to 21,992.22, 32,972.67 and 10,299.06 is: 15,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,992.22 : 32,972.67 = 10,299.06 : x
  2. Step 2: Convert to fraction form
    21,992.22/32,972.67 = 10,299.06/x
  3. Step 3: Cross multiply
    21,992.22x = 32,972.67 × 10,299.06
  4. Step 4: Simplify right side
    21,992.22x = 339,587,506.69
  5. Step 5: Solve for x
    x = 339,587,506.69/21,992.22
  6. Step 6: Final answer
    x = 15,441.26

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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.