Home / 22,145.74-33,181.03-13,362.21

Finding the Fourth Proportional to 22,145.74, 33,181.03 and 13,362.21

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Solution

The fourth proportional to 22,145.74, 33,181.03 and 13,362.21 is: 20,020.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145.74 : 33,181.03 = 13,362.21 : x
  2. Step 2: Convert to fraction form
    22,145.74/33,181.03 = 13,362.21/x
  3. Step 3: Cross multiply
    22,145.74x = 33,181.03 × 13,362.21
  4. Step 4: Simplify right side
    22,145.74x = 443,371,658.16
  5. Step 5: Solve for x
    x = 443,371,658.16/22,145.74
  6. Step 6: Final answer
    x = 20,020.63

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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.