Home / 15,222.20-22,837.90-10,788.42

Finding the Fourth Proportional to 15,222.20, 22,837.90 and 10,788.42

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Solution

The fourth proportional to 15,222.20, 22,837.90 and 10,788.42 is: 16,185.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,222.20 : 22,837.90 = 10,788.42 : x
  2. Step 2: Convert to fraction form
    15,222.20/22,837.90 = 10,788.42/x
  3. Step 3: Cross multiply
    15,222.20x = 22,837.90 × 10,788.42
  4. Step 4: Simplify right side
    15,222.20x = 246,384,857.12
  5. Step 5: Solve for x
    x = 246,384,857.12/15,222.20
  6. Step 6: Final answer
    x = 16,185.89

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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.